Grade 11Trigonometry
prove that sina sinb sin(a-b)+sinb sinc sin(b-c)+sinc sina sin(a)+sin(a-b)sin(b-c)sin(c-a)=0
1 Answer
Arun
Dear Shubham
In this type of questions, if you are unable to think smartly just use simple basic formula and then solve-
Regards
Arun
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