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Trig Identities

Authored by English Casbarro

Mathematics

12th Grade

CCSS covered

Used 614+ times

Trig Identities
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tanθ =\tan\theta\ =  

 sinθcosθ\frac{\sin\theta}{\cos\theta}  

 cosθsinθ\frac{\cos\theta}{\sin\theta}  

 1cosθ\frac{1}{\cos\theta}  

 cotθ\cot\theta  

Tags

CCSS.HSF.TF.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin2θ + cos2θ = 1\sin^2\theta\ +\ \cos^2\theta\ =\ 1 

 Solve  for  cos2θ\cos^2\theta  .

 cot2θ+1\cot^2\theta+1  

 sec2θ1\sec^2\theta-1  

 tanθ+1\tan\theta+1  

 1sin2θ1-\sin^2\theta  

Tags

CCSS.HSF.TF.C.8

CCSS.HSA.CED.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tanθcosθ\tan\theta\cos\theta  can be written in a single trigonometric identity as: 

 cosθ\cos\theta  

 sinθ\sin\theta  

 secθ\sec\theta  

 cotθ\cot\theta  

Tags

CCSS.HSF.TF.C.8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1cos2θcos2θ\frac{1-\cos^2\theta}{\cos^2\theta}  can be written in a single trigonometric identity as: 

 cos2θ\cos^2\theta  

 sin2θ\sin^2\theta  

 sec2θ\sec^2\theta  

 tan2θ\tan^2\theta  

Tags

CCSS.HSF.TF.C.8

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cosθ cscθ\cos\theta\ \csc\theta  can be written in a single trigonometric identity as: 

 cosθ\cos\theta  

 sinθ\sin\theta  

 secθ\sec\theta  

 cotθ\cot\theta  

Tags

CCSS.HSF.TF.C.8

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify

  cot2θ(1+tan2θ)\cot^2\theta\left(1+\tan^2\theta\right)  

csc²θ

sec²θ

cscθ

1

Tags

CCSS.HSF.TF.C.8

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify

 sinθ(cscθsinθ)\sin\theta\left(\csc\theta-\sin\theta\right)  

 secθ\sec\theta  


 cos2θ\cos^2\theta  

 sin2θ\sin^2\theta  

 sin2θcos2θ\frac{\sin^2\theta}{\cos^2\theta}  

Tags

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

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