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Simplifying Trig Identities

Authored by Robert Brown

Mathematics

10th - 12th Grade

CCSS covered

Used 10+ times

Simplifying Trig Identities
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  secθsinθ\secθ\sinθ  

cos θ

csc θ

tan θ

cot θ

Tags

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

CCSS.HSF.TF.C.8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  (secθ1)(secθ+1)(\secθ-1)(\secθ+1)  

sin 2 θ

cos 2 θ

tan 2 θ

sec 2 θ

Tags

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

CCSS.HSF.TF.C.8

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Simplify:  secxtanxsinx\sec x-\tan x\sin x  

 sinx\sin x  

 cosx\cos x  

 cscx\csc x  

 secx\sec x  

Tags

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

CCSS.HSF.TF.C.9

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify:   sin2x+cos2x+cot2x1+tan2x\frac{\sin^2x+\cos^2x+\cot^2x}{1+\tan^2x}  

 cot2x\cot^2x  

 tan2x\tan^2x  

 csc2x\csc^2x  

 sec2x\sec^2x  

Tags

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.8

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(SAT Problem)

If cos (x +200) = sin(x-10)

then x =

30

40

50

60

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 cos(π2θ)csc(θ)\cos\left(\frac{\pi}{2}-\theta\right)\csc\left(-\theta\right)  

 11  

 sinθ\sin\theta  

 sinθ-\sin\theta  

 1-1  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 1cos4x1+cos2x\frac{1-\cos^4x}{1+\cos^2x}  

 cos2x\cos^2x  

 cos2x-\cos^2x  

 sin2x\sin^2x  

 sin2x-\sin^2x  

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