b= float(input("valor do lado b"))
from math import*

ladob= sqrt radians(cos(b)

c=float(input("valor do lado c"))
from math import*
ladoc= sqrt radians(cos(c)
from math import*
bc= radians(float(input("angulo entre b e c: ")))


print(round(ladob, 2))
print(round(ladoc, 2))
print(round(bc, 2))