a. Eliminate the parameter to obtain an equation in x and y. (Type an equation.) b. Describe the curve and indicate the positive orientation. V A circle is generated counterclockwise , starting at and ending at- (Type ordered pairs. Simplify your answers.) Consider the following parametric equations. 3. Eliminate the parameter to obtain an equation in X and y. b. Describe the curve and indicate the positive orientation. x=8005t,y=4+83int;05ts21t