Standard C++ Library Reference ISO/IEC (VERSION3)

double acos(double x);
float acos(float x); [C++ only]
long double acos(long double x); [C++ only]
float acosf(float x); [required with C99]
long double acosl(long double x); [required with C99]
double asin(double x);
float asin(float x); [C++ only]
long double asin(long double x); [C++ only]
float asinf(float x); [required with C99]
long double asinl(long double x); [required with C99]
double atan(double x);
float atan(float x); [C++ only]
long double atan(long double x); [C++ only]
float atanf(float x); [required with C99]
long double atanl(long double x); [required with C99]
double atan2(double y, double x);
float atan2(float y, float x); [C++ only]
long double atan2(long double y, long double x); [C++ only]
float atan2f(float y, float x); [required with C99]
long double atan2l(long double y,
long double x); [required with C99]
double ceil(double x);
float ceil(float x); [C++ only]
long double ceil(long double x); [C++ only]
float ceilf(float x); [required with C99]
long double ceill(long double x); [required with C99]
double cos(double x);
float cos(float x); [C++ only]
long double cos(long double x); [C++ only]
float cosf(float x); [required with C99]
long double cosl(long double x); [required with C99]
double cosh(double x);
float cosh(float x); [C++ only]
long double cosh(long double x); [C++ only]
float coshf(float x); [required with C99]