Tuesday, August 13, 2013

Express tan(15 degrees) in surd form

tan%2815%29=sin%2830%29%2F%281%2Bcos%2830%29%29=%281%2F2%29%2F%281%2Bsqrt%283%29%2F2%29 

%281%2F2%29%2F%281%2Bsqrt%283%29%2F2%29=1%2F%282%2Bsqrt%283%29%29=2-sqrt%283%29
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