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You are in a helicopter hovering 600 feet above the water. Directly below you is a coast guard boat. Ahead of you, in the water is a capsized boat. You estimate the angle of depression is 38 o . How far is the coast guard boat from the capsized boat? Trigonometry Finding Missing Angle Measures B A C P W R C A T Suppose A is an acute angle of right ABC 5 If sin A = 9 What is cos A ? What is tan A ?