Mathematics · Trigonometry
The expression 4 cos(7θ2) cos(3θ2) sin(5θ) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sin(10θ) + sin(7θ) - sin(3θ)
- 2sin(10θ) + sin(7θ) + sin(3θ)✓
- 3sin(10θ) + sin(7θ) - sin(5θ)
- 4sin(10θ) + sin(7θ) + sin(5θ)
Correct answer
sin(10θ) + sin(7θ) + sin(3θ)
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