If sinθ = 8/17, then cosθ equals?
- 8/15
- 15/17
- 9/17
- None of these
Explanation
Given: sinθ = 8/17
cosθ = √(1 − (8/17)²)
= √(1 − 64/289)
= √(225/289)
= 15/17
Last verified on 15-05-2026
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