CBSE

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Show that sin⁡A⋅sin⁡(B−C)+sin⁡B⋅sin⁡(C−A)+sin⁡C⋅sin⁡(A−B)=0\sin A \cdot \sin(B - C) + \sin B \cdot \sin(C - A) + \sin C \cdot \sin(A - B) = 0 .

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