alleryStart learning →Reducing 495° to a first-turn angle, sin 495° equals
A−1 / √2
B−√3 / 2
C√3 / 2
D1 / √2
Answer & Solution
Correct answer: D. 1 / √2
495° = 360° + 135°, and sin135° = sin45° = 1/√2.
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