Question

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Answer(Picture included)
40.8°
49.2°
30.2°
59.8°

Answer 1

Two birds sit at the top of two different trees 57.4 feet away from one another. The distance between the second bird and a bird watcher on the ground is 49.6 feet.

What is the angle measure, or angle of depression, between the first bird and the bird watcher?
40.8°
49.2°
30.2°
59.8°

Answer 2

\[\tan x=\frac ab\iff x=\tan^{-1}\frac ab\]