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A boat is 130 m from the base of a cliff. The cliff is 80 m high. Determine, to the nearest degree, the angle of depression of the boat from the top of the cliff.

 Jul 5, 2020
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This makes a right triangle with legs   (opposite)  = 80     and (adjacent ) = 130

arctan(80/130) = ........o      angle of depression

 Jul 5, 2020

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