Find an equation of the tangent line at each given point on the curve. X = 2 - 3 cos theta, y = 3 + 2 sin theta at (2, 5) y = 5 at (4 + 3 squarroot 3/2, 2) y = 2 squareroot 3/3 x + 3 + 4 squareroot 3/3 at (-1, 3) x = -1