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1 June, 21:21

From the edge of a cliff 180m high, the angles of depression of two boats at sea are 43° and 52° respectively what is the distance between the two angles?

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  1. 1 June, 22:25
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    tan 52 = 180/a; a = 180/tan 52

    tan 43 = 180/b; b = 180/tan 43

    you need to calculate, a-b = 180/tan 52 - 180/tan 43

    substitute the value of tan thetas, and calculate it simply ...
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