This function is compatible with the following targets:
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#include <math.h>
double tan(double x);
float tanf(float x);
long double tanl(long double x);Parameters:
Parameters for this function are:
tan() returns the tangent of x. x is measured in radians.
A range error may occur if the argument is close to an odd multiple of pi divided by 2
See Also: Example of tan() usage.:#include <math.h>
#include <stdio.h>
int main(void)
{
double x = 0.5;
printf("The tangent of %f is %f.\n", x, tan(x));
return 0;
}
Output:
The tangent of 0.500000 is 0.546302.
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Last updated: August 16, 2000