C tan() Function
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C tan() Function
The tan() function returns the tangent of a number.
This function is defined in <math.h> header file.
Example
C Compiler
#include <stdio.h>
#include <math.h>
int main()
{
printf("%lf", tan(90));
return 0;
}
Output
-1.995200
Syntax
tan(x)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| x | Required | A number representing an angle (in radians). |
Return Value
| Value | Explanation |
|---|---|
| Number | Returns the tangent of the given number. |
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