VARKON Version 1.15 1997-10-24
tan - Function
Trigonometric function
Description
Returns the tangent of an argument given in degrees.
Syntax
tan(angle)
FLOAT angle;
Principal parameters
angle - Angle in the range from -360 to +360 degrees
Optional parameters
None.
Return value
A positive or negative FLOAT value. For an angle of +90 or -90 tan is undefined.