C Language: tan function
(Tangent)
In the C Programming Language, the tan function returns the tangent of x.
Syntax
The syntax for the tan function in the C Language is:
double tan(double x);
Parameters or Arguments
- x
- A value expressed in radians (not degrees).
Returns
The tan function returns the tangent of x, measured in radians.
Required Header
In the C Language, the required header for the tan function is:
#include <math.h>
Applies To
In the C Language, the tan function can be used in the following versions:
- ANSI/ISO 9899-1990
tan Example
/* Example using tan by TechOnTheNet.com */
#include <stdio.h>
#include <math.h>
int main(int argc, const char * argv[])
{
/* Define temporary variables */
double value;
double result;
/* Assign the value we will find the tan of */
value = 0.5;
/* Calculate the Tangent of value */
result = tan(value);
/* Display the result of the calculation */
printf("The Tangent of %f is %f\n", value, result);
return 0;
}
When compiled and run, this application will output:
The Tangent of 0.500000 is 0.546302
Similar Functions
Other C functions that are similar to the tan function:
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