Sine, cosine and tangent in Java
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double sin90 = Math.sin(Math.PI/2);
//sin90 is 1.0
double cos180 = Math.cos(Math.PI);
//cos180 is -1.0
double tan45 = Math.tan(Math.PI/4);
//tan45 is 0.9999999999999999
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double sin90 = Math.sin(Math.PI/2);
//sin90 is 1.0
double cos180 = Math.cos(Math.PI);
//cos180 is -1.0
double tan45 = Math.tan(Math.PI/4);
//tan45 is 0.9999999999999999