When standing 10 feet from the base of a building, you measure that the bottom of a large window is at 45 degrees from the horizontal, while the top of the window is at an angle 60 degrees. How tall is the window?
LETS xxY xxxxxx xx BOTTOM xx WINDOW xx X.
tan xx = (x+x)/xx
1.732 * 10 = xx + h
cos xx = x/xxxxxx