Asked by Monica

how do you verify this identity

Sin^3βcosβ+cos^3βsinβ=sinβcosβ
Answered by Reiny
LS = Sin^3βcosβ+cos^3βsinβ
= sinβcosβ(sin^2 β + cos^2 β)
= sinβcosβ (1)
= RS

Now wasn't that easy ?
Answered by Monica
thank you !!!!
Answered by Reiny
welcome!
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