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25 November, 18:11

Trigonometry

Special Right Triangles

Find the exact value of sec 60 * - cosec 30 * - sin 0*.

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  1. 25 November, 20:50
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    Step-by-step explanation:

    cos (60) = ½

    sec (60) = 2

    sin (30) = ½

    cosec (30) = 2

    sin (0) = 0

    2 - 2 - 0 = 0
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