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Prove that: sin(B-C)cos(A-D) + sin(C-A)...

Prove that: `sin(B-C)cos(A-D) + sin(C-A) cos (B-D) + sin(A-B) cos(C-D) = 0`

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To prove the identity: \[ \sin(B-C)\cos(A-D) + \sin(C-A)\cos(B-D) + \sin(A-B)\cos(C-D) = 0 \] we will use the sine addition and subtraction formulas. Let's break it down step by step. ...
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RD SHARMA ENGLISH-TRANSFORMATION FORMULAE-All Questions
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  3. Prove that: sin(B-C)cos(A-D) + sin(C-A) cos (B-D) + sin(A-B) cos(C-...

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