tan
Tangent function
Interface
#include <math.h>
double | tan (double x) |
long | tanl (long double x) |
float | tanf (float x) |
#include <complex.h>
complex | tan (complex x) |
double complex | ctan (double complex x) |
float complex | ctan (float complex x) |
long double complex | ctanl (long double complex x) |
Description
The tan function computes the tangent of x (measured in radians). This is identical to the calculation ofExample:
Example - Tangent function
Workings
#include <stdio.h> #include <math.h> int main() { double x = 0.3333; double result = tan(x); printf("The tangent of %.4lf is %.4lf\n", x, result); return 0; }
Solution
Output:
The tangent of 0.3333 is 0.3462
Special Values
tan ( ±0 ) returns ±0. tan ( ±∞ ) returns a NaN and raises the invalid floating-point exception.Compatibility
DOS | UNIX | Windows | ANSI C | C++ only | |
---|---|---|---|---|---|
tanl | • | • | |||
Real tan | • | • | • | • | |
Complex tan | • | • | • | ||
Complex ctan | • | • |
Last Modified: 18 Dec 11 @ 13:09 Page Rendered: 2022-03-14 16:08:44