tan()
Calculates the tangent.
Synopsis
float tan(float x);
Parameters
Parameter | Description |
---|---|
x | Angle in radian measure |
Return value
The functions returns 0.0 if an error occurs.
Errors
missing or incorrect argument
Description
Returns the tangent of the angle x. x should be specified in the radian measure.
Example
main()
{
float pi=3.1415926, f;
f=tan(pi/4); // Results in 1
f=rad2deg(atan(1)); // Results in 45
f=tanh(90); // Results in 1
f=atan("Fault"); // Results in 0
}
Assignment
Mathematical function
Availability
CTRL