First exam practice sheet

3. Suppose the parametric equations of a curve are , . (a) [2 pts]. Findby using parametric formula. (b) [2 pts]. Letbe the point when . Find the slope of the tangent line to this curve at. The slope is the derivative at , so it is (c) [bonus 2 pts]. Find a Cartesian equation for this curve, then findatby using implicit differentiation. ................
................