cos ⁡ 105 ° \cos\ 105\degree cos 1 0 5 ° =...

− cos ⁡ 75 ° -\cos\ 75\degree − cos 7 5 °

cos ⁡ 75 ° \cos\ 75\degree cos 7 5 °

sin ⁡ 65 ° \sin\ 65\degree sin 6 5 °

− sin ⁡ 65 ° -\sin\ 65\degree − sin 6 5 °

cos ⁡ 55 ° \cos\ 55\degree cos 5 5 °

cotan ⁡ 110 ° \operatorname{cotan}\ 110\degree c o t a n 1 1 0 ° =...

− tan ⁡ 20 ° -\tan\ 20\degree − tan 2 0 °

tan ⁡ 20 ° \tan\ 20\degree tan 2 0 °

cotan ⁡ 20 ° \operatorname{cotan}\ 20\degree c o t a n 2 0 °

− cotan ⁡ 20 ° -\operatorname{cotan}\ 20\degree − c o t a n 2 0 °

tan ⁡ 10 ° \tan\ 10\degree tan 1 0 °

cos ⁡ ( 270 − A ) − sin ⁡ ( 180 − A ) + tan ⁡ ( 270 − A ) = . . . \cos\left(270-A\right)-\sin\left(180-A\right)+\tan\left(270-A\right)=... cos ( 2 7 0 − A ) − sin ( 1 8 0 − A ) + tan ( 2 7 0 − A ) = . . .

− 2 sin ⁡ A + cotan ⁡ A -2\sin A+\operatorname{cotan}A − 2 sin A + c o t a n A

− 2 sin ⁡ A − tan ⁡ A -2\sin A-\tan A − 2 sin A − tan A

− 2 cos ⁡ A + tan ⁡ A -2\cos A+\tan A − 2 cos A + tan A

− 2 cos ⁡ A − cotan ⁡ A -2\cos A-\operatorname{cotan}A − 2 cos A − c o t a n A

− 2 sin ⁡ A − cotan ⁡ A -2\sin A-\operatorname{cotan}A − 2 sin A − c o t a n A

Diketahui tan ⁡ A = − 12 5 \tan A=-\frac{12}{5} tan A = − 5 1 2 dan 270 ° ≤ A ≤ 360 ° 270\degree\le A\le360\degree 2 7 0 ° ≤ A ≤ 3 6 0 ° . Nilai cos A = ...

− 13 5 -\frac{13}{5} − 5 1 3

− 5 13 -\frac{5}{13} − 1 3 5

sin ⁡ 270 ° . cos ⁡ 135 ° . tan ⁡ 135 ° sin ⁡ 150 ° . cos ⁡ 225 ° = . . . \frac{\sin270\degree.\cos135\degree.\tan135\degree}{\sin150\degree.\cos225\degree}=... sin 1 5 0 ° . cos 2 2 5 ° sin 2 7 0 ° . cos 1 3 5 ° . tan 1 3 5 ° = . . .

1 2 2 \frac{1}{2}\sqrt{2} 2 1 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 1 2 2 -\frac{1}{2}\sqrt{2} − 2 1 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Nilai dari sin ⁡ 45 ° + cos ⁡ 225 ° \sin\ 45\degree+\cos\ 225\degree sin 4 5 ° + cos 2 2 5 ° adalah...

1 2 2 \frac{1}{2}\sqrt{2} 2 1 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 1 2 2 -\frac{1}{2}\sqrt{2} − 2 1 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

jika a + b + c = 180 ° a+b+c=180\degree a + b + c = 1 8 0 ° nilai sin ⁡ 1 2 ( b + c ) = . . . \sin\ \frac{1}{2}\left(b+c\right)=... sin 2 1 ( b + c ) = . . .

cos ⁡ 1 2 a \cos\ \frac{1}{2}a cos 2 1 a

sin ⁡ 1 2 a \sin\ \frac{1}{2}a sin 2 1 a

Sudut Relasi

Authored by Siti Lina

Mathematics

10th Grade

CCSS covered

Used 30+ times

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MULTIPLE SELECT QUESTION

15 mins • 1 pt

sin A bernilai positif

Kuadran I dan II

Kuadran II dan III

Kuadran III dan IV

Kuadran IV dan I

Kuadran I, II, III

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Pada Kuadran II, yang bernilai positif adalah...

SIN dan COSEC

COS dan SECAN

TAN dan COSEC

SIN dan SECAN

SIN ,SECAN dan TAN

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Pada Kuadran II , maka nilai SIN dan COS secara berturut turut adalah...

positif dan negatif

positif dan positif

negatif dan positif

negatif dan negatif

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

SIN (90^º-∠A) = ...

sin ∠A

cos ∠A

tan ∠A

cot ∠A

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

cos (90^º-∠B) = ...

cos ∠B

cos ∠A

sin ∠B

sin ∠A

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

tan (90^º-∠A) = ...

tan ∠A

tan ∠B

cot ∠A

cot ∠B

cos ∠B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

tan 65^º∕ cot 25^º= ...

1/2

√3/3

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