A 17-foot ladder is propped up against a wall so that the base of the ladder is r it from the wall. The base of the ladder makes an angle (measured in radians) with the ground, and the top of the ladder makes an angle o with the wall. (a) Draw a picture of the situation. Be sure to label the pertinent informa- tion. (b) What is the value of in terms of z? (c) What is the value of in terms of r?