Reparametrize the curve 2t С: r(t) = i+ -j, t > 0 + 1 t2 + 1 with respect to arc length. Simplify your result so that it becomes clear that the curve is a circle (hint: for a unit circle centred at...

Extracted text: Reparametrize the curve 2t С: r(t) = i+ -j, t > 0 + 1 t2 + 1 with respect to arc length. Simplify your result so that it becomes clear that the curve is a circle (hint: for a unit circle centred at the origin, the polar angle is equal to the arc length from (1, 0)).