Function tan

include/cinder/CinderMath.h:50–50

	static T	cos   (T x)		{return ::cos (double(x));}
	static T	sin   (T x)		{return ::sin (double(x));}
	static T	tan   (T x)		{return ::tan (double(x));}
	static T	cosh  (T x)		{return ::cosh (double(x));}
	static T	sinh  (T x)		{return ::sinh (double(x));}
	static T	tanh  (T x)		{return ::tanh (double(x));}