Mathematics · Trigonometry
The value of 2 cos3 θ - cos θsin θ - 2 sin3 θ2 + 1, where θ ≠ 45°, is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sin2 θ
- 2cosec2 θ✓
- 3cot2 θ
- 4sec2 θ
Correct answer
cosec2 θ
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