Function cosf

include/std/math.h:70–70

extern inline float atan2f(float y, float x) { return ::atan2(y, x); }
extern inline float cosf(float x) { return ::cos(x); }
extern inline float sinf(float x) { return ::sin(x); }
extern inline float tanf(float x) { return ::tan(x); }
extern inline float tan(float x) { return tanf(x); }