Answers

The Brainliest Answer!
2014-11-24T22:48:40+08:00
Sin 60 degrees is 0.866025403 ~0.866
2 5 2
2014-11-24T23:10:03+08:00
From unit circle,
sin60 =  \frac{ \sqrt{3} }{2}

see attachment below.
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