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    anav1015's Avatar
    anav1015 Posts: 1, Reputation: 1
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    #1

    Oct 31, 2011, 07:32 PM
    verify the equation (1/secant)-tan=secant + tan
    (1/secant)-tan=secant + tan
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 1, 2011, 07:01 AM
    Hint: Convert sec and tan to sin and cos ratios.
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