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

How can I find the exact value of Sin 480 degrees? Thanks

- Trig -
**Anonymous**, Friday, May 13, 2011 at 1:31am
480°=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 4:52am
Thank you I see where I got stuck

- Trig -
**Parikshit**, Friday, May 6, 2016 at 10:41am
Sin(480) = sin (5x90 + 30) = cos 30 = sqrooy(3)/2

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