double tan (double x);
double tan (double x); float tanf (float x); long double tanl (long double x);
double tan (double x); float tan (float x); long double tan (long double x);
double tan (double x); float tan (float x); long double tan (long double x); double tan (T x); // additional overloads for integral types
<cmath>
) for the integral types: These overloads effectively cast x to a double
before calculations (defined for T being any integral type).<complex>
and <valarray>
(see complex tan and valarray tan).180/PI
degrees.
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The tangent of 45.000000 degrees is 1.000000. |