Mathematics · Trigonometry
The value of sin3A - cos3A1 + sinA·cosA + 2sin254°·sec236° is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sinA + cosA - 2
- 22(1 + sinA·cosA)
- 3sinA - cosA + 2✓
- 4sinA·cosA + 2
Correct answer
sinA - cosA + 2
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