csin, csinf, csinl − complex sine function

#include <complex.h>

double complex csin(double complex z);

float complex csinf(float complex z);

long double complex csinl(long double complex z);

The complex sine function csin(z) is defined as (exp(i*z)-exp(-i*z))/(2*i).

C99

cabs(3), ctan(3), csin(3)