Mathematics · Trigonometry
If x ≠ 45°, then [(sin x - 2sin3x) ÷ (2cos3x - cos x)]2 + 1 is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cosec2x
- 2sec2x✓
- 3cot2x
- 4tan2x
Correct answer
sec2x
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