Download Precalculus - Unit 9 Review

Name: Class: Date: Precalculus - Unit 9 Review
Indicate the answer choice that best completes the statement or answers the question.
1. Simplify sec x – csc x tan x.
a. sec x csc x – sec x tan x
c. 2 sec x
b. 1
d. 0
2. What basic trigonometric identity would you use to verify that ?
a. b. c. d. 3. Simplify .
a. b. c. d. cannot be simplified
4. What basic trigonometric identity would you use to verify that tan x cos x = sin x?
a. b. c. d. Powered by Cognero
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Name: Class: Date: Precalculus - Unit 9 Review
5. Simplify .
a. b. c. d. 6. If and θ is between , find .
Verify each identity.
7. 8. Indicate the answer choice that best completes the statement or answers the question.
9. Simplify a. b. c. d. Powered by Cognero
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Name: Class: Date: Precalculus - Unit 9 Review
10. Which of the following are the solutions of a. b. c. d. on the interval [0, 2π)?
11. If sin θ = , find csc θ.
a. 7
b. –1
c. d. –7
12. If and θ terminates on the interval , find the exact value of tan 2θ.
a. b. c. d. Powered by Cognero
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Name: Class: Date: Precalculus - Unit 9 Review
13. Verify which of the following are trigonometric identities.
1) 5 cos θ tan θ csc θ = 5
2) 9 a. Only the second equation is an identity.
b. None of the equations are identities.
c. Only the first equation is an identity.
d. Both the equations are identities.
14. If and θ is between , find .
Indicate the answer choice that best completes the statement or answers the question.
15. Simplify a. c. Powered by Cognero
b. d. Page 4