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

    Feb 5, 2013, 06:26 PM
    verifying identities calculator
    what are the steps to vertifying this
    1+sec^2x(sin^2x)=sec^2x
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Feb 12, 2013, 02:42 PM
    You can convert the secant function to its cosine equivalent, and it comes right out. Or alternatively - divide the equation through by sec^2x and it becomes apparent.
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    ksevolodina Posts: 1, Reputation: 1
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    #3

    Apr 15, 2013, 09:11 PM
    (1-tan^2x)^2=sec^4x-4tan^2x
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #4

    Apr 16, 2013, 05:40 AM
    As usual - convert tangenat and secant functions to sine and cosine equivalents, then simplify.
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