Answers Precalculus Solving Trigonometric Equations — Cumulative examQuestion 13

13

QuizMultiple Choice

Solving Trigonometric Equations — Cumulative exam

Question 13 • Precalculus

What is 4cos2(165°) – 2 expressed as a single trigonometric function?

Answer

A

4cos(330°)

B

2cos(330°)

C

4cos(82.5°)

D

2cos(82.5°)

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