#a3.8MathofUse.py
import math
#from math import *
print(math.sin(2*math.pi))
print(math.floor(-2.5))
print(math.ceil(3.5+math.floor(-2.5)))
print(round(math.fabs(-2.5)))
print(math.sqrt(math.pow(2,4)))
print(math.log(math.e))
print(math.gcd(12,9))
print(math.fmod(36,5))
rad = math.radians(47)
print(rad)
deg = math.degrees(math.pi/7)
print(deg)
