def ceil(x:float)->int:...

def fabs(x:float)->float:...

def floor(x:float)->int:...

def fmod(x:float,y:float)->float:...

def remainder(x:float,y:float)->float:...

def trunc(x:float)->float:...

def exp(x:float)->float:...

def log(x:float)->float:...

def log2(x:float)->float:...

def log10(x:float)->float:...

def pow(x:float,y:float)->float:...

def sqrt(x:float)->float:...

def acos(x:float)->float:...

def asin(x:float)->float:...

def atan(x:float)->float:...

def atan2(x:float,y:float)->float:...

def cos(x:float)->float:...

def sin(x:float)->float:...

def tan(x:float)->float:...

def degrees(x:float)->float:...

def radians(x:float)->float:...

def cosh(x:float)->float:...

def sinh(x:float)->float:...

def tanh(x:float)->float:...