Answers Career Explorations - EL3401 Unit Summary — Cumulative examQuestion 180

180

RCMultiple Choice

Unit Summary — Cumulative exam

Question 180 • Career Explorations - EL3401

Let sin(2x) = cos(x), where 0° ≤ x < 180°. What are the possible values for x?

Answer

A

30° only

B

90° only

C

30° or 150°

D

30°, 90°, or 150°

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