SOLUTION: sin15degree

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Question 576906: sin15degree
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sin15degree
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sin(15) =~ 0.258819
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For the exact value:
sin(15) = sin(30/2)
= sqrt%28%281+-+cos%2830%29%29%2F2%29
= sqrt%28%281+-+sqrt%283%29%2F2%29%2F2%29
= sqrt%282+-+sqrt%283%29%29%2F2