tan()

Returns the tangent of the given angle in radians.

tan(angle)

• The tangent of the given angle as a floating-point number.

tan(0);        // returns 0

tan(pi()/4);   // returns 1

tan(pi()/2);   // returns a large value (undefined at exact pi/2)

pi
sin
asin
cos
acos
tan
atan
atan2
rad2deg
deg2rad