MAT 171 Recitation 9 10/25/21-10/28/21 1. A tower that is 165 feet tall casts a. shadow 197 feet long. Find the angle of elevation of the sun to the nearest degree. 2. At a certain time of day, the angle of elevation of the sun is 42. To the nearest foot1 nd the height of the tree whose shadow is 33 feet long. 3. Find the exact value of each of the remaining trigonometric functions of 9. Rationalize all denominators, as needed. a. 5mm) = }, in quadrant III. 13. csc(9) = 4, tan(fl) :> D 4. Find two values of B, 0 5 9 <_z tan b. c. d. x find the reference angle for each of following angles. a.>