cos

Computes the cosine of an angle in radians.

double cos( double x); 

Return Values

The cosine of the specified angle.

Example

The following example calculates the cosine of 45 degrees using cos.

    #include <math.h> 

    double cos(double x); 
    double x = 45;
    lr_output_message ("Cosine of %lf deg = %lf", x, cos(x * PI/180));

Example: Output:
Action.c(9): Cosine of 45.000000 deg = 0.707107