For question 32.

In Exercises 31 and 32, find an equation for (a) the tangent to the curve at P and (b) the horizontal tangent to the curve at Q. 31. 32. 2 P (2, 2) 1 4 P(7, 4) 0 2 y = 4 + cotx - 2csc x T 1 2 X 3 4 y = 1+ v2csex + cotx