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Posted by Monica on Sunday, December 2, 2012 at 9:53pm.

how do you verify this identity Sin^3βcosβ+cos^3βsinβ=sinβcosβ

LS = Sin^3βcosβ+cos^3βsinβ = sinβcosβ(sin^2 β + cos^2 β) = sinβcosβ (1) = RS Now wasn't that easy ?

thank you !!!!

welcome!

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