Question #26130

A hot-air balloon over Albuquerque, New Mexico, is being blown due east from point P and traveling at a constant height of 800 ft. The angle y is formed by the ground and the line of vision from P to the balloon. This angle changes as the balloon travels.
(a) Express the horizontal distance x as a function of the angle y.
(b) When the angle is pi over 20 rad, what is its horizontal distance from P?
(c) An angle of pi over 20 rad is equivalent to how many degrees?

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