Mathematics · Trigonometry
The expression cos(2A) - 1sin(A) + sin(2A)cos(2A) + 1 × 1sec(A) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-sin A✓
- 2sin 2A
- 3cos A
- 42 sin2 A
Correct answer
-sin A
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