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المتطابقات المثلثية لمجموع زاويتين والفرق بينهما

Authored by emam hagag

Mathematics

12th Grade

Used 33+ times

المتطابقات المثلثية لمجموع زاويتين والفرق بينهما
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos π2\cos\ \frac{\pi}{2}  

 6+24\frac{\sqrt{6}+\sqrt{2}}{4}  

 6+22\frac{\sqrt{6}+\sqrt{2}}{2}  

 624\frac{\sqrt{6}-\sqrt{2}}{4}  

 622\frac{\sqrt{6}-\sqrt{2}}{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(θ+π)=\sin\left(\theta+\pi\right)=  

 cosθ\cos\theta  

 sinθ-\sin\theta  

 cotθ-\cot\theta  

 tanθ\tan\theta  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tan(θ+π2)=\tan\left(\theta+\frac{\pi}{2}\right)=  

 sinθ\sin\theta  

 cotθ-\cot\theta  

 1tanθ1+tanθ\frac{1-\tan\theta}{1+\tan\theta}  

 cosθ\cos\theta  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(ab)=\sin\left(a-b\right)=  

 sin(a)cos(b)+sin(b)cos(a)\sin\left(a\right)\cos\left(b\right)+\sin\left(b\right)\cos\left(a\right)  

 sin(a)cos(b)sin(b)cos(a)\sin\left(a\right)\cos\left(b\right)-\sin\left(b\right)\cos\left(a\right)  

 sin(a)sin(b)cos(a)cos(b)\sin\left(a\right)\sin\left(b\right)-\cos\left(a\right)\cos\left(b\right)  

 cos(a)cos(b)+sin(a)sin(b)\cos\left(a\right)\cos\left(b\right)+\sin\left(a\right)\sin\left(b\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tan45o+tan30o1tan45otan30o\frac{\tan45^o+\tan30^o}{1-\tan45^o\tan30^o}  قيمتها 

 tan75o\tan75^o  

 tan 15o\tan\ 15^o  

 sin45ocos30o\frac{\sin45^o}{\cos30^o}  

 tan90o \tan90^{o\ }  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos30ocos45osin45o sin30o\cos30^o\cos45^o-\sin45^{o\ }\sin30^o تساوي 

 sin75o \sin75^{o\ }  

 sin 15o \sin\ 15^{o\ }  

 cos (75)o \cos\ \left(-75\right)^{o\ }  

 cos (15)o \cos\ \left(-15\right)^{o\ }  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

أي الخيارات التالية صحيح بالنسبة للمتطابقة التالية   cos (AB)\cos\ \left(A-B\right)  

 sinAcos 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 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  

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