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Math Help - Trigonometry

  1. #1
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    Trigonometry

    The maximum value the expression \frac{csc^2x-tg^2x}{cot^2x+tg^2x-1} is ?

    a) 1
    b) 2/3
    c) 3/4
    d) 4/7
    e) 5/3
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Apprentice123 View Post
    The maximum value the expression \frac{csc^2x-tg^2x}{cot^2x+tg^2x-1} is ?

    a) 1
    b) 2/3
    c) 3/4
    d) 4/7
    e) 5/3
    change everything to sines and cosines and see what you get. remember the ranges for sine and cosine
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