a Find dy da dy da expressed as a function of t for the

Last updated: 10/15/2023

a Find dy da dy da expressed as a function of t for the given the parametric equations d y dx2 b Find d y dx2 c Except for at the points where Concave expressed as a function of t 8 S cos t 7 sin t dy is undefined is the curve concave up or concave down Enter up or down da