Find dy/dx and d2y/dx2. For which values of t is the curve concave upward? x = 2sin t, y = 3 cos t, 0 < t < 2.

Find dy/dx and d2y/dx2. For which values of t is the curve concave upw

1.	Find dy/dx and d2y/dx2. For which values of t is the curve concave upward? x = 2sin t, y = 3 cos t, 0 < t < 2.
Answer» Find dy/dx and d²y/dx². For which values of t is the curve concave upward? x = 2sin t, y = 3 cos t, 0 < t < 2. Solution: