Answers AL-Precalculus Cumulative Exam — Cumulative examQuestion 43

43

QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 43 • AL-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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