Math, asked by shankha2005, 2 months ago

simplify sin(B+C) sin(B-C) + sin(C+A) sin(C-A)+ sin (A+B) sin (A-B)

Answers

Answered by eshikashetty2003
3

Step-by-step explanation:

sin (A+B) formula= sinAcosB+cosAsinB

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