A television camera at ground level films the lift-off of a space shuttle at a point 750 meters from the launch pad (see figure). Let & be the angle of elevation to the shuttle and let s be the height of the shuttle. (a) Write & as a function of s. 0 750 m Not drawn to scale (b) Find when s = 600 meters and s = 1300 meters. (Round your answers to two decimal places.) s=600 meters s 1300 meters 02 rad rad