In Exercise, use the method of Example 4. Height of Mt. W...

In Exercise, use the method of Example 4.

Height of Mt. Whitney The angle of elevation from Lone Pine to the top of Mt. Whitney is . Van Dong Le, traveling 7.00 km from Lone Pine along a straight, level road toward Mt. Whitney, finds the angle of elevation to be . Find the height of the top of Mt. Whitney above the level of the road.

(Reference Example 4)