Math, asked by sushilacho520, 4 months ago

sin(B-C) cos(A-D) +sin (C-A) cos (B-D) +sin (A-B) cos (C-D) = 0

Answers

Answered by Anonymous

2

Answer:

after solving 1/2×0=0 proved

Answered by riasharma555

0

Step-by-step explanation:

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