sin(a+b+c)+sin (a-b+c)+sin(a+b-c)

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Rinkoo Gupta · Answer

sinpi+sin(pi-2b)+sin(pi-2c) =0+sin2b+sin2c =2sin(b+c)cos(b-c) Thanks & Regards Rinkoo Gupta AskIITians Faculty

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sin(a+b+c)+sin (a-b+c)+sin(a+b-c)

sin(a+b+c)+sin (a-b+c)+sin(a+b-c)

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sin(a+b+c)+sin (a-b+c)+sin(a+b-c)

sin(a+b+c)+sin (a-b+c)+sin(a+b-c)

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