Trigonometrymedium · Past Paper
Evaluate: cos 1 * cos 2 * cos 3 ... cos 90
A1
B0
C-1
D1/2
✓ Correct Answer: B — 0
Since cos 90 = 0, the product of the entire series is 0.
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✓ Correct Answer: B — 0
Since cos 90 = 0, the product of the entire series is 0.
Share this question