Mathematics · Trigonometry
Simplify the trigonometric expression 1sin2A - 1, where 0° < A ≤ 90°.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cos2A
- 2tan2A
- 3sec2A
- 4cot2A✓
Correct answer
cot2A
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