For the following exercises, use a calculator to find the length of each side to four decimal

Question:

For the following exercises, use a calculator to find the length of each side to four decimal places.

A 400-foot tall monument is located in the distance. From a window in a building, a person determines that the angle of elevation to the top of the monument is 18°, and that the angle of depression to the bottom of the monument is 3°. How far is the person from the monument?

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