Sine, cosine and tangent in Swift

Submitted by obraztsov on Tue, 11/10/2015 - 17:27

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let sin90 = sin(M_PI/2)
//sin90 is 1.0

let cos180 = cos(M_PI);
//cos180 is -1.0

let tan45 = tan(M_PI/4);
//tan45 is 1.0