sinhf
extern float sinhf(float x);
return CMPLXF(coshf(x) * cosf(y), sinhf(x) * sinf(y));
return CMPLXF(sinhf(x), y);
return CMPLXF(sinhf(x) * cosf(y), coshf(x) * sinf(y));
s = sinhf(x);