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Function `std.math.tan`

Returns tangent of x. x is in radians.


						
				real tan
				(
				

				  real x
				

				) pure nothrow @nogc @trusted;

Special Values
x	tan(x)	invalid?
NAN	NAN	yes
±0.0	±0.0	no
±∞	NAN	yes

Example

assert(tan(0.0).approxEqual(0));
assert(tan(PI).approxEqual(0));
assert(tan(PI / 3).approxEqual(sqrt(3.0)));

Authors

Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger

License

Boost License 1.0.