def acos():
    pass


def asin():
    pass


def atan():
    pass


def atan2():
    pass


def ceil():
    pass


def copysign():
    pass


def cos():
    pass


def degrees():
    pass


e = 2.71828


def exp():
    pass


def fabs():
    pass


def floor():
    pass


def fmod():
    pass


def frexp():
    pass


def isfinite():
    pass


def isinf():
    pass


def isnan():
    pass


def ldexp():
    pass


def log():
    pass


def modf():
    pass


pi = 3.14159


def pow():
    pass


def radians():
    pass


def sin():
    pass


def sqrt():
    pass


def tan():
    pass


def trunc():
    pass