Mathematics · Trigonometry
If C ≠ (2n + 1)π, where n is an integer, then sin(A − C) + 2 sin(A) + sin(A + C)sin(B − C) + 2 sin(B) + sin(B + C) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cos(A)cos(B)
- 2sin(A)sin(B)✓
- 3cos(A)sin(B)
- 4sin(A)cos(B)
Correct answer
sin(A)sin(B)
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