Given that (a+cosα)(1+cosβ)(1+cosγ)=(1-cosα)(1-cosβ)(1-cosγ) Show that one of the values of each member of this equality is sin α sinβ sinγ

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answered Feb 15, 2018 by Vikash Kumar (144,729 points)

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Given that (a+cosα)(1+cosβ)(1+cosγ)=(1-cosα)(1-cosβ)(1-cosγ) Show that one of the values of each member of this equality is sin α sinβ sinγ

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