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A lighthouse keeper is looking out at the top of the lighthouse

A lighthouse keeper is looking out at the top of the lighthouse which is 24 meters tall. He spots a sailboat out to sea at a 40° angle of depression. What is the horizontal distance from the lighthouse keeper to the sailboat? Round your answer to the nearest mete
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1 Answer

Draw a picture. Then using the angle and side given, find the appropriate trig function that relates the information given and the fact that the angle formed at the base of the lighthouse is 90 degrees.