import math

x_degrees = 90
x_radians = math.floor(math.radians(x_degrees))
x_cosinus = math.floor(math.cos(x_radians))

print("x -> {} degré(s)".format(x_degrees))
print("x -> {} radian(s)".format(x_radians))
print("cos(x) -> {}".format(x_cosinus))