sin ⁡ ( 360 ° n + θ ) = ? \sin\left(360\degree n+\theta\right)=? sin ( 3 6 0 ° n + θ ) = ?

cosec ⁡ θ \operatorname{cosec}\theta c o s e c θ

cos ⁡ ( 360 ° n + θ ) = ? \cos\left(360\degree n+\theta\right)=? cos ( 3 6 0 ° n + θ ) = ?

cosec ⁡ θ \operatorname{cosec}\theta c o s e c θ

cos ⁡ ( 180 ° − θ ) = ? \cos\left(180\degree-\theta\right)=? cos ( 1 8 0 ° − θ ) = ?

− cos ⁡ θ -\cos\theta − cos θ

− sin ⁡ θ -\sin\theta − sin θ

sin ⁡ ( 180 ° − θ ) = ? \sin\left(180\degree-\theta\right)=? sin ( 1 8 0 ° − θ ) = ?

− sin ⁡ θ -\sin\theta − sin θ

− cos ⁡ θ -\cos\theta − cos θ

sin ⁡ ( 180 ° + θ ) = ? \sin\left(180\degree+\theta\right)=? sin ( 1 8 0 ° + θ ) = ?

− sin ⁡ θ -\sin\theta − sin θ

− cos ⁡ θ -\cos\theta − cos θ

cos ⁡ ( 180 ° + θ ) = ? \cos\left(180\degree+\theta\right)=? cos ( 1 8 0 ° + θ ) = ?

− cos ⁡ θ -\cos\theta − cos θ

− sin ⁡ θ -\sin\theta − sin θ

sin ⁡ ( 360 ° − θ ) = ? \sin\left(360\degree-\theta\right)=? sin ( 3 6 0 ° − θ ) = ?

− sin ⁡ θ -\sin\theta − sin θ

− cos ⁡ θ -\cos\theta − cos θ

cos ⁡ ( 360 ° − θ ) = ? \cos\left(360\degree-\theta\right)=? cos ( 3 6 0 ° − θ ) = ?

− sin ⁡ θ -\sin\theta − sin θ

− cos ⁡ θ -\cos\theta − cos θ

cos ⁡ ( − θ ) = ? \cos\left(-\theta\right)=? cos ( − θ ) = ?

− sin ⁡ θ -\sin\theta − sin θ

− cos ⁡ θ -\cos\theta − cos θ

sin ⁡ ( − θ ) = ? \sin\left(-\theta\right)=? sin ( − θ ) = ?

− sin ⁡ θ -\sin\theta − sin θ

− cos ⁡ θ -\cos\theta − cos θ

sin ⁡ ( A + B ) = ? \sin\left(A+B\right)=? sin ( A + B ) = ?

sin ⁡ A cos ⁡ B + cos ⁡ A sin ⁡ B \sin A\cos B+\cos A\sin B sin A cos B + cos A sin B

cos ⁡ A cos ⁡ B − sin ⁡ A sin ⁡ B \cos A\cos B-\sin A\sin B cos A cos B − sin A sin B

cos ⁡ A cos ⁡ B + sin ⁡ A sin ⁡ B \cos A\cos B+\sin A\sin B cos A cos B + sin A sin B

sin ⁡ A cos ⁡ B − cos ⁡ A sin ⁡ B \sin A\cos B-\cos A\sin B sin A cos B − cos A sin B

sin ⁡ ( A − B ) = ? \sin\left(A-B\right)=? sin ( A − B ) = ?

sin ⁡ A cos ⁡ B − cos ⁡ A sin ⁡ B \sin A\cos B-\cos A\sin B sin A cos B − cos A sin B

cos ⁡ A cos ⁡ B − sin ⁡ A sin ⁡ B \cos A\cos B-\sin A\sin B cos A cos B − sin A sin B

cos ⁡ A cos ⁡ B + sin ⁡ A sin ⁡ B \cos A\cos B+\sin A\sin B cos A cos B + sin A sin B

sin ⁡ A cos ⁡ B + cos ⁡ A sin ⁡ B \sin A\cos B+\cos A\sin B sin A cos B + cos A sin B

cos ⁡ ( A + B ) = ? \cos\left(A+B\right)=? cos ( A + B ) = ?

cos ⁡ A cos ⁡ B − sin ⁡ A sin ⁡ B \cos A\cos B-\sin A\sin B cos A cos B − sin A sin B

cos ⁡ A cos ⁡ B + sin ⁡ A sin ⁡ B \cos A\cos B+\sin A\sin B cos A cos B + sin A sin B

sin ⁡ A cos ⁡ B + cos ⁡ A sin ⁡ B \sin A\cos B+\cos A\sin B sin A cos B + cos A sin B

sin ⁡ A cos ⁡ B − cos ⁡ A sin ⁡ B \sin A\cos B-\cos A\sin B sin A cos B − cos A sin B

cos ⁡ ( A − B ) = ? \cos\left(A-B\right)=? cos ( A − B ) = ?

cos ⁡ A cos ⁡ B + sin ⁡ A sin ⁡ B \cos A\cos B+\sin A\sin B cos A cos B + sin A sin B

cos ⁡ A cos ⁡ B − sin ⁡ A sin ⁡ B \cos A\cos B-\sin A\sin B cos A cos B − sin A sin B

sin ⁡ A cos ⁡ B + cos ⁡ A sin ⁡ B \sin A\cos B+\cos A\sin B sin A cos B + cos A sin B

sin ⁡ A cos ⁡ B − cos ⁡ A sin ⁡ B \sin A\cos B-\cos A\sin B sin A cos B − cos A sin B

tan ⁡ ( A + B ) = ? \tan\left(A+B\right)=? tan ( A + B ) = ?

tan ⁡ A + tan ⁡ B 1 − tan ⁡ A tan ⁡ B \frac{\tan A+\tan B}{1-\tan A\tan B} 1 − tan A tan B tan A + tan B

tan ⁡ A + tan ⁡ B 1 + tan ⁡ A tan ⁡ B \frac{\tan A+\tan B}{1+\tan A\tan B} 1 + tan A tan B tan A + tan B

tan ⁡ A − tan ⁡ B 1 + tan ⁡ A tan ⁡ B \frac{\tan A-\tan B}{1+\tan A\tan B} 1 + tan A tan B tan A − tan B

tan ⁡ A − tan ⁡ B 1 − tan ⁡ A tan ⁡ B \frac{\tan A-\tan B}{1-\tan A\tan B} 1 − tan A tan B tan A − tan B

tan ⁡ ( A − B ) = ? \tan\left(A-B\right)=? tan ( A − B ) = ?

tan ⁡ A − tan ⁡ B 1 + tan ⁡ A tan ⁡ B \frac{\tan A-\tan B}{1+\tan A\tan B} 1 + tan A tan B tan A − tan B

tan ⁡ A + tan ⁡ B 1 + tan ⁡ A tan ⁡ B \frac{\tan A+\tan B}{1+\tan A\tan B} 1 + tan A tan B tan A + tan B

tan ⁡ A + tan ⁡ B 1 − tan ⁡ A tan ⁡ B \frac{\tan A+\tan B}{1-\tan A\tan B} 1 − tan A tan B tan A + tan B

tan ⁡ A − tan ⁡ B 1 − tan ⁡ A tan ⁡ B \frac{\tan A-\tan B}{1-\tan A\tan B} 1 − tan A tan B tan A − tan B

2 cos ⁡ A cos ⁡ B = ? 2\cos A\cos B=? 2 cos A cos B = ?

cos ⁡ ( A + B ) + cos ⁡ ( A − B ) \cos\left(A+B\right)+\cos\left(A-B\right) cos ( A + B ) + cos ( A − B )

sin ⁡ ( A + B ) + sin ⁡ ( A − B ) \sin\left(A+B\right)+\sin\left(A-B\right) sin ( A + B ) + sin ( A − B )

sin ⁡ ( A + B ) − sin ⁡ ( A − B ) \sin\left(A+B\right)-\sin\left(A-B\right) sin ( A + B ) − sin ( A − B )

cos ⁡ ( A + B ) − cos ⁡ ( A − B ) \cos\left(A+B\right)-\cos\left(A-B\right) cos ( A + B ) − cos ( A − B )

2 cos ⁡ A sin ⁡ B = ? 2\cos A\sin B=? 2 cos A sin B = ?

sin ⁡ ( A + B ) − sin ⁡ ( A − B ) \sin\left(A+B\right)-\sin\left(A-B\right) sin ( A + B ) − sin ( A − B )

sin ⁡ ( A + B ) + sin ⁡ ( A − B ) \sin\left(A+B\right)+\sin\left(A-B\right) sin ( A + B ) + sin ( A − B )

cos ⁡ ( A + B ) + cos ⁡ ( A − B ) \cos\left(A+B\right)+\cos\left(A-B\right) cos ( A + B ) + cos ( A − B )

cos ⁡ ( A + B ) − cos ⁡ ( A − B ) \cos\left(A+B\right)-\cos\left(A-B\right) cos ( A + B ) − cos ( A − B )

2 sin ⁡ A cos ⁡ B = ? 2\sin A\cos B=? 2 sin A cos B = ?

sin ⁡ ( A + B ) + sin ⁡ ( A − B ) \sin\left(A+B\right)+\sin\left(A-B\right) sin ( A + B ) + sin ( A − B )

sin ⁡ ( A + B ) − sin ⁡ ( A − B ) \sin\left(A+B\right)-\sin\left(A-B\right) sin ( A + B ) − sin ( A − B )

cos ⁡ ( A + B ) + cos ⁡ ( A − B ) \cos\left(A+B\right)+\cos\left(A-B\right) cos ( A + B ) + cos ( A − B )

cos ⁡ ( A + B ) − cos ⁡ ( A − B ) \cos\left(A+B\right)-\cos\left(A-B\right) cos ( A + B ) − cos ( A − B )

2 sin ⁡ A sin ⁡ B = ? 2\sin A\sin B=? 2 sin A sin B = ?

cos ⁡ ( A − B ) − cos ⁡ ( A + B ) \cos\left(A-B\right)-\cos\left(A+B\right) cos ( A − B ) − cos ( A + B )

cos ⁡ ( A + B ) + cos ⁡ ( A − B ) \cos\left(A+B\right)+\cos\left(A-B\right) cos ( A + B ) + cos ( A − B )

cos ⁡ ( A + B ) − cos ⁡ ( A − B ) \cos\left(A+B\right)-\cos\left(A-B\right) cos ( A + B ) − cos ( A − B )

cos ⁡ ( A − B ) + cos ⁡ ( A + B ) \cos\left(A-B\right)+\cos\left(A+B\right) cos ( A − B ) + cos ( A + B )

sin ⁡ A + sin ⁡ B = ? \sin A+\sin B=? sin A + sin B = ?

2 sin ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\sin\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 sin ( 2 A + B ) cos ( 2 A − B )

2 cos ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) cos ( 2 A − B )

2 cos ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) sin ( 2 A − B )

− 2 sin ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) -2\sin\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) − 2 sin ( 2 A + B ) sin ( 2 A − B )

sin ⁡ A − sin ⁡ B = ? \sin A-\sin B=? sin A − sin B = ?

2 cos ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) sin ( 2 A − B )

2 cos ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) cos ( 2 A − B )

2 sin ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\sin\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 sin ( 2 A + B ) cos ( 2 A − B )

− 2 sin ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) -2\sin\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) − 2 sin ( 2 A + B ) sin ( 2 A − B )

cos ⁡ A + cos ⁡ B = ? \cos A+\cos B=? cos A + cos B = ?

2 cos ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) cos ( 2 A − B )

2 cos ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) sin ( 2 A − B )

2 sin ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\sin\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 sin ( 2 A + B ) cos ( 2 A − B )

− 2 sin ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) -2\sin\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) − 2 sin ( 2 A + B ) sin ( 2 A − B )

cos ⁡ A − cos ⁡ B = ? \cos A-\cos B=? cos A − cos B = ?

− 2 sin ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) -2\sin\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) − 2 sin ( 2 A + B ) sin ( 2 A − B )

2 cos ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) cos ( 2 A − B )

2 cos ⁡ ( A + B 2 ) sin ⁡ ( A − B 2 ) 2\cos\left(\frac{A+B}{2}\right)\sin\left(\frac{A-B}{2}\right) 2 cos ( 2 A + B ) sin ( 2 A − B )

2 sin ⁡ ( A + B 2 ) cos ⁡ ( A − B 2 ) 2\sin\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right) 2 sin ( 2 A + B ) cos ( 2 A − B )

sin ⁡ A 2 = ? \sin\frac{A}{2}=? sin 2 A = ?

± 1 − cos ⁡ A 2 \pm\sqrt{\frac{1-\cos A}{2}} ± 2 1 − cos A <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± cos ⁡ A − 1 2 \pm\sqrt{\frac{\cos A-1}{2}} ± 2 cos A − 1 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± cos ⁡ A + 1 2 \pm\sqrt{\frac{\cos A+1}{2}} ± 2 cos A + 1 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± 1 + cos ⁡ A 2 \pm\sqrt{\frac{1+\cos A}{2}} ± 2 1 + cos A <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

cos ⁡ A 2 = ? \cos\frac{A}{2}=? cos 2 A = ?

± cos ⁡ A + 1 2 \pm\sqrt{\frac{\cos A+1}{2}} ± 2 cos A + 1 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± cos ⁡ A − 1 2 \pm\sqrt{\frac{\cos A-1}{2}} ± 2 cos A − 1 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± 1 − cos ⁡ A 2 \pm\sqrt{\frac{1-\cos A}{2}} ± 2 1 − cos A <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± 1 + cos ⁡ B 2 \pm\sqrt{\frac{1+\cos B}{2}} ± 2 1 + cos B <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

tan ⁡ A 2 = ? \tan\frac{A}{2}=? tan 2 A = ?

± 1 − cos ⁡ A 1 + cos ⁡ A \pm\sqrt{\frac{1-\cos A}{1+\cos A}} ± 1 + cos A 1 − cos A <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± cos ⁡ A − 1 cos ⁡ A + 1 \pm\sqrt{\frac{\cos A-1}{\cos A+1}} ± cos A + 1 cos A − 1 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± cos ⁡ A + 1 cos ⁡ A − 1 \pm\sqrt{\frac{\cos A+1}{\cos A-1}} ± cos A − 1 cos A + 1 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

± 1 + cos ⁡ A 1 − cos ⁡ A \pm\sqrt{\frac{1+\cos A}{1-\cos A}} ± 1 − cos A 1 + cos A <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

Trigonometry Identities

Authored by Kru Donlao

Mathematics

11th - 12th Grade

Used 19+ times

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42 questions

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FILL IN THE BLANKS QUESTION

1 min • 1 pt

เลขประจำตัวนักเรียน

(a)

MULTIPLE SELECT QUESTION

45 sec • 1 pt

ห้อง

5.1

5.3

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\cos^2\theta+\sin^2\theta=?$

$\tan\theta$

$\tan^2\theta$

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\sin\left(360\degree n+\theta\right)=?$

$\sin\theta$

$\cos\theta$

$\tan\theta$

$\operatorname{cosec}\theta$

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\cos\left(360\degree n+\theta\right)=?$

$\sin\theta$

$\cos\theta$

$\tan\theta$

$\operatorname{cosec}\theta$

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\cos\left(180\degree-\theta\right)=?$

$\sin\theta$

$\cos\theta$

$-\sin\theta$

$-\cos\theta$

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\sin\left(180\degree-\theta\right)=?$

$\sin\theta$

$\cos\theta$

$-\sin\theta$

$-\cos\theta$

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\sin\left(180\degree+\theta\right)=?$

$\sin\theta$

$\cos\theta$

$-\sin\theta$

$-\cos\theta$

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\cos\left(180\degree+\theta\right)=?$

$\sin\theta$

$\cos\theta$

$-\sin\theta$

$-\cos\theta$

10.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

$\sin\left(360\degree-\theta\right)=?$

$\sin\theta$

$\cos\theta$

$-\sin\theta$

$-\cos\theta$

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Trigonometry Identities

เลขประจำตัวนักเรียน (a)

ห้อง

cos⁡2θ+sin⁡2θ=?\cos^2\theta+\sin^2\theta=?cos2θ+sin2θ=?

sin⁡(360°n+θ)=?\sin\left(360\degree n+\theta\right)=?sin(360°n+θ)=?

cos⁡(360°n+θ)=?\cos\left(360\degree n+\theta\right)=?cos(360°n+θ)=?

cos⁡(180°−θ)=?\cos\left(180\degree-\theta\right)=?cos(180°−θ)=?

sin⁡(180°−θ)=?\sin\left(180\degree-\theta\right)=?sin(180°−θ)=?

sin⁡(180°+θ)=?\sin\left(180\degree+\theta\right)=?sin(180°+θ)=?

cos⁡(180°+θ)=?\cos\left(180\degree+\theta\right)=?cos(180°+θ)=?

sin⁡(360°−θ)=?\sin\left(360\degree-\theta\right)=?sin(360°−θ)=?

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เลขประจำตัวนักเรียน

(a)

$\cos^2\theta+\sin^2\theta=?$

$\sin\left(360\degree n+\theta\right)=?$

$\cos\left(360\degree n+\theta\right)=?$

$\cos\left(180\degree-\theta\right)=?$

$\sin\left(180\degree-\theta\right)=?$

$\sin\left(180\degree+\theta\right)=?$

$\cos\left(180\degree+\theta\right)=?$

$\sin\left(360\degree-\theta\right)=?$