this is a half angle problem... let sinx=-1/3 with x in Quadrant III evaluate sinx/2
please I need help I don't know how to solve this!!!!!!
please I need help I don't know how to solve this!!!!!!
Jay is 120 meters from the base of a building and Mary is 40 meters from the base of the building. Jay's angle of elevation when looking at the top of the building is X and Mary's is 2X. What is the...