Rascal/Libraries/util/Math/cos

Synopsis Calculate the cosine of a numeric value.

Function real cos(num x)

Usage import util::Math;

Description The cosine of the number x.

Examples

rascal>import util::Math;
ok
rascal>cos(1.0)
real: 0.54030230588
rascal>cos(60 * PI() / 180)
real: 0.50000000000

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