Consider the following
Integral sqrt [ (dx/dt)2+(dy/dt)2]
dt where t varies from 0 to 2n
dx/dt = 1-2 cos t
dy/dt = 2sin t
(1-2 cos t)2+4sin2t= 1-4cost + 4 cos 2
t +4 sin 2 t = 5 -4 cost
Integral √(5-cos t) dt between 0 to 2n
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?