Mathematics · Trigonometry
If A + B + C = π4, then find the value of sin(4A) + sin(4B) + sin(4C).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14 cos(2A) cos(2B) cos(2C)
- 2-4 sin(2A) sin(2B) sin(2C)✓
- 31 + 4 sin(2A) sin(2B) sin(2C)
- 41 + 4 cos(2A) cos(2B) cos(2C)
Correct answer
-4 sin(2A) sin(2B) sin(2C)
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