Please only take this question if you can solve it quickly! Please provide a NEAT and CORRECT answer for a BIG LIKE.

Calculus 3:

-Show your work and Provide diagram(s) if needed.

8. (a) (4 points) Find the parametric equation for the tangent line to the curve r(t) = (2 cost, sint, -2t) at the point (0, 1, -7).(b) (4 points) Find the arc length of the curve 7(t) = (to, t?) between (0, 0) and (1, 1)