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    qazxswedcvfrtgb's Avatar
    qazxswedcvfrtgb Posts: 2, Reputation: 1
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    #1

    Dec 8, 2010, 08:24 PM
    how do you solve verifying the indentitiy problems?
    cosx/1-sinx=sec+tanx
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Dec 9, 2010, 12:14 AM



    Start from the LHS, by multiplying by

    Can you continue after this hint?
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