Tan
Format
tan ( expression )
Description
Computes the tangent of expression. Expression must be in radians.
Note
The tan function does not produce an exact result.
See Also
Acos, Asin, Atan, Sin, Cos, Degrees, Radians
Example
clg
color black
# draw a line across the graphic output
line 0,150,300,150
# where do we start
lastx = 0
lasty = tan(0) * 50 + 150
# now step across the line and draw
for x = 0 to 300 step 5
angle = x / 300 * 2 * pi
y = tan(angle) * 50 + 150
line lastx, lasty, x, y
lastx = x
lasty = y
next x
Draws