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TRIGNOMETRIC IDENTITIES

Authored by NOUSHEEN SHAFY

Mathematics

11th Grade

Used 19+ times

TRIGNOMETRIC IDENTITIES
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 if  sin(θ) = sinθ , cos (θ)= cosθ  then  tan (θ)=...if\ \ \sin\left(-\theta\right)\ =\ -\sin\theta\ ,\ \cos\ \left(-\theta\right)=\ \cos\theta\ \ then\ \ \tan\ \left(-\theta\right)=...  

 tanθ-\tan\theta  

 1tanθ\frac{1}{\tan\theta}  

 cotθ-\cot\theta  

 1cotθ\frac{1}{\cot\theta}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 The  value  of  2sin θ2 . cos θ2 is ...The\ \ value\ \ of\ \ 2\sin\ \frac{\theta}{2}\ .\ \cos\ \frac{\theta}{2}\ is\ ...  

 2sin θ2-2\sin\ \frac{\theta}{2}  

 cosθ\cos\theta  

 sinθ\sin\theta  

 cotθ\cot\theta  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos2 θ + sin2θ = ...\cos^2\ \theta\ +\ \sin^2\theta\ =\ ...  

1

-1

0

 \infty  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1 + tan2θ =...1\ +\ \tan^2\theta\ =...  

 sec2θ\sec^2\theta  

 cosec2θ\operatorname{cosec}^2\theta  

 cot2θ\cot^2\theta  

 sec2θ-\sec^2\theta  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1 + cot2θ=...1\ +\ \cot^2\theta=...  

 cos2θ\cos^2\theta  

 cosec2θ\operatorname{cosec}^2\theta  

 sec2θ\sec^2\theta  

 cosec2θ-\operatorname{cosec}^2\theta  

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