tan

Returns tangent of x. x is in radians.

Special Values
x	tan(x)	invalid?
NaN	NaN	yes
±0.0	±0.0	no
$(PLUSMNINF)	NaN	yes

real tan(real x)
double tan(double x)
float tan(float x)
@safe pure nothrow @nogc
float
tan
(
float x
)

Examples

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

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