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February 13, 2016
Posted by **Monica** on Sunday, December 2, 2012 at 9:53pm.

Sin^3βcosβ+cos^3βsinβ=sinβcosβ

- pre-calc help please ! -
**Reiny**, Sunday, December 2, 2012 at 10:28pmLS = Sin^3βcosβ+cos^3βsinβ

= sinβcosβ(sin^2 β + cos^2 β)

= sinβcosβ (1)

= RS

Now wasn't that easy ?

- pre-calc help please ! -
**Monica**, Sunday, December 2, 2012 at 10:38pmthank you !!!!

- pre-calc help please ! -
**Reiny**, Sunday, December 2, 2012 at 10:48pmwelcome!