AnswersS1S-OC Pre-Calculus B E3710 - AGPerformance Task: Trigonometric Identities — Unit testQuestion 11
11
QuizMultiple Choice

Performance Task: Trigonometric Identities — Unit test

Question 11 • S1S-OC: Pre-Calculus B (E3710 - AG)

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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