from math sin, cos, tan, pi, ceil, floor, hypot, sqrt

x=1.4
y=2.6
ad= 90

print(pi)
print (sin(pi/2))
print (tan(t(cos(ad))ad))
print (floor(x),floor(y))
print (ceil(x), ceil (y))
print (hypot(x, y))
print (sqrt(144))