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    sbiry Posts: 2, Reputation: 1
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    #1

    Dec 30, 2012, 03:03 PM
    (cosx)^3 (sinx)^3 =racine2/2
    Pease Help me

    I have to resove

    (cosx)^3 (sinx)^3 =racine2/2

    Thanks.
    sbiry's Avatar
    sbiry Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Dec 30, 2012, 03:07 PM
    Im sorry

    I need

    (cosx)^3+(sinx)^3 =racine2/2
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