1.You are a block away from a skyscraper that is 780 feet tall. Your friend is between the skyscraper and yourself. The angle of elevation from your position to the top of the skyscraper is 42. The angle of elevation from your friend's position to the top of the skyscraper is 71. To the

nearest foot, how far are you from your friend?

2.Find the angle that is captured by the terminal arm on the coordinate (-3,-7)-find using

any 2 of the 3 trig ratios

3.Convert the following angles to radian/degree and find their exact value a.Sin(120)b. tan(pi/2)c. cos(-330)

4.The arm of a car windshield wiper is 12.75 inch long and is attached, at the middle of a

15.00-in. blade. (Assume that the arm and blade are in line.) What area of the windshield is cleaned by the wiper if it swings through 110.0 arcs?