Consider the parametric curve given by z = cos(21), (a) Find dy/dz and d²y/dz² in terms of t. dy/dz (7 sin(t))/(-2sin(2t)) M d²y/dx² = Note: You can earn partial credit on this problem. Preview My Answers Submit Answers Your score was recorded. Your score was successfully sent to the LMS You have attempted this problem 6 times. You received a score of 50% for this attempt. ods 50% y = cos(t), 0