Friday

October 31, 2014

October 31, 2014

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!

**Answer this Question**

**Related Questions**

Physics Classical Mechanics - A yo-yo of mass m rests on the floor (the static ...

MATH - Differential equations, initial value problem. The general equation of ...

Math - If α and β are two angles in Quadrant II such that tan α...

Trig - prove sin(α+β)sin(α-β)=cos^2β-cos^2α please...

Trigonometry - find the exact value of tan 2β if sin β=5/13 (β in...

Statistics - Find Maximum Likelihood Estimator of Gamma Distribution Given: f(x...

Trig - Prove sin(α+β)sin(α-β)=cos^2β-cos^2α

Trig - Prove sin(α+β)sin(α-β)=cos^2β-cos^2α

Trig - prove sin(α+β)sin(α-β)=cos^2β-cos^2α

Trig - prove sin(α+β)sin(α-β)=cos^2β-cos^2α