Question

Need help with plane curve and polar equations

Answer 1

here is the complete question http://i45.tinypic.com/29wqolh.png

Answer 2

\[\frac{dy}{dx}=\frac{\frac{dy}{dt}}{\frac{dx}{dt}}\]

Answer 3

That is literally all you need for the problem.

Answer 4

thank you

Answer 5

\[s=\int\limits_{t_0}^{t_i}\sqrt{\left( \frac{dx}{dt}\right)^2 + \left( \frac{dy}{dt}\right)^2}\]
That's the arc length.

Answer 6

thank you so much