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Introductory Trigonometric Identities

Authored by Jesse Casares

Mathematics

9th - 12th Grade

CCSS covered

Used 3+ times

Introductory Trigonometric Identities
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5 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Simplify the trigonometric expression. Select all that apply.

 tan⁡θ⋅csc⁡θ\tan\theta\cdot\csc\theta  

 1cos⁡θ\frac{1}{\cos\theta}  

 sec⁡θ\sec\theta  

 1sin⁡θ\frac{1}{\sin\theta}  

 csc⁡θ\csc\theta  

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Simplify the trigonometric expression. Select all that apply.

 cot⁡θ⋅sec⁡θ\cot\theta\cdot\sec\theta  

 1cos⁡θ\frac{1}{\cos\theta}  

 sec⁡θ\sec\theta  

 1sin⁡θ\frac{1}{\sin\theta}  

 csc⁡θ\csc\theta  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

True or False

 sin⁡2θ=1−cos⁡2θ\sin^2\theta=1-\cos^2\theta  

True

False

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

True or False

 sin⁡(−θ)+cos⁡(−θ)=cos⁡θ−sin⁡θ\sin\left(-\theta\right)+\cos\left(-\theta\right)=\cos\theta-\sin\theta  

True

False

Tags

CCSS.HSF.TF.A.4

5.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Simplify the following trigonometric expression.

 tan⁡2θ−sec⁡2θ\tan^2\theta-\sec^2\theta  



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