cos
Cosine
&reftitle.description;
floatcos
floatarg
cos returns the cosine of the arg
parameter. The arg parameter is in radians.
&reftitle.parameters;
arg
An angle in radians
&reftitle.returnvalues;
The cosine of arg
&reftitle.examples;
<function>cos</function> example
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&reftitle.seealso;
acos
sin
tan
deg2rad