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March 25, 2017

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Let an angle in quad IV such that cos= 2/5 find exact value of csc and cot

  • Math - ,

    you have a 2-√21-5 triangle, so in QIV, you have

    cos = 2/5
    csc = -5/√21
    cot = cos*csc = -2/√21

  • Math - ,

    tits

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