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

math  shobhit, Monday, September 26, 2016 at 11:59am
3/2
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