Trigonometric Functions

Function

Trigonometric functions.

Syntax

real acos(real x);
real asin(real x);
real atan(real x);
real cos(real x);
real sin(real x);
real tan(real x);

Returns

acos returns the arc cosine of x.
asin returns the arc sine of x.
atan returns the arc tangent of x.
cos returns the cosine of x.
sin returns the sine of x.
tan returns the tangent of x.

PI	the value of "pi" (3.14...)

Example

real x = PI / 2;
printf("The sine of %f is %f\n", x, sin(x));