AnswersTX-Precalculus ACumulative Exam — Cumulative examQuestion 6
6
QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 6 • TX-Precalculus A

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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