X A telephone line hangs between two poles 14 m apart in the shape of the catenary y = 22 cosh | 17, where x and y are measured in meters. 22 YA 5 -7 0 7 x i (a) Find the slope of this curve where it meets the right-hand pole. (Round your answer to four decimal places.) (b) Find the angle 8 (in degrees) between the line and the pole. (Round your answer to two decimal places.) 6 8 = O