For the following exercises, prove the identity.A woman is standing 300 feet

For the following exercises, prove the identity.

A woman is standing 300 feet away from a 2,000- foot building. If she looks to the top of the building, at what angle above horizontal is she looking? A bored worker looks down at her from the 15th floor (1500 feet above her). At what angle is he looking down at her? Round to the nearest tenth of a degree.