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3 October, 02:44

A bird b is spotted flying 5,000 feet from a tree. An observer spots the bird at a distance of 13000 feet. What is the angle of depression from the bird to the observer

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  1. 3 October, 03:12
    0
    67.36°

    Step-by-step explanation:

    Cos Ф = Adj/Hyp

    Cos Ф = 5000/13000

    Cos Ф = 0.385

    Ф = cos⁻¹ 0.385

    Ф = 67.36°
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