2. Eliminate the parameter to find a description of the shape graphed by the para- metric curves given. Describe the shape and indicate the positive orientation. (b) x = 1-3 sin 4nt, y = 2+3 cos 47Tt, 0

Sketch the cardioid r = 3 cos e and find the coordinates of the points on the cardioid where the tangent line is: (a) horizontal (b) vertical enc

Given the parametric equation : X = sin t cos t and y = sin t where 0 < t < 2x a. What is the slope of tan gent line at the point (0, 0) b. What is the equation of the tan gent line pass through this point c. What is t = when parametric curve has Horizental tan gent lines d. What ist = when parametric curve has vertical tan gent line