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    will885's Avatar
    will885 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 11, 2013, 02:07 PM
    trig
    Verify the following Idenity?

    sec(x)(1-sin^2(x))=cos(x)
    catlady23's Avatar
    catlady23 Posts: 61, Reputation: 1
    Junior Member
    		  
    #2

    May 11, 2013, 02:30 PM
    Verify in terms of true or false?

    sec(x)*(1-sin^2(x))=cos(x) - Wolfram|Alpha
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