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sin(s-a)sin(s-b)+sin(s-c)sins=sina sinb prove that a +b+c=2s

sin(s-a)sin(s-b)+sin(s-c)sins=sina sinb prove that a +b+c=2s

Grade:11

1 Answers

Nishant Vora IIT Patna
askIITians Faculty 2467 Points
5 years ago

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