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April 21, 2014

April 21, 2014

Posted by **Rachal** on Thursday, May 12, 2011 at 10:23pm.

- Trig -
**Anonymous**, Friday, May 13, 2011 at 1:31am480°=360°+120°

sin(480°)=sin(120°)

sin(90°+x)=sin(90°-x)

sin(90°+30°)=sin(90°-30°)

sin(120°)=sin(60°)

sin(480°)=sin(120°)=sin(60°)=sqroot(3)/2

- Trig -
**Rachal**, Friday, May 13, 2011 at 4:52amThank you I see where I got stuck

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