Q3. A telecommunications company is planning to install a new telephone line between two poles that are 14 meters apart. The line will be in the shape of a catenary, which is given by the equation y 20cosh(x/20) - 15, where x and y are measured in meters. The below information will help the company ensure that the line is installed at the correct angle and can safely support the weight of the cables. (a) Find the slope of this curve where it meets the righthand pole. (b) Find the angle - between the line and the pole. -7 5 7 x