If cos(a-b)+ cos(b-c) + cos(c-a) = -3/2 prove that cosa + cosb+ cosc = sina + sinb + sinc =0

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If cos(a-b)+ cos(b-c) + cos(c-a) = -3/2 prove that cosa + cosb+ cosc = sina + sinb + sinc =0

If cos(a-b)+ cos(b-c) + cos(c-a) = -3/2 prove that cosa + cosb+ cosc = sina + sinb + sinc =0

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If cos(a-b)+ cos(b-c) + cos(c-a) = -3/2 prove that cosa + cosb+ cosc = sina + sinb + sinc =0

If cos(a-b)+ cos(b-c) + cos(c-a) = -3/2 prove that cosa + cosb+ cosc = sina + sinb + sinc =0

1 Answers

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Other Related Questions on Trigonometry

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