If A + B + C + D = 2π, then sin A + sin B + sin C - sin D =

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Mathematics · Trigonometry

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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4 sin(A+B2) sin(A+C4) sin(A+D4)

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Answer 1

4 sin(A+B2) sin(A+C4) sin(A+D4)

Answer 2

4 sin(A+B2) sin(A+C2) sin(A+D2)

Answer 3

4 sin(A+B2) cos(A+C4) cos(A+D4)

Answer 4

4 sin(A+B4) sin(A+C4) sin(A+D4)

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