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    flameruckus's Avatar
    flameruckus Posts: 93, Reputation: 2
    Junior Member
    		  
    #1

    Apr 26, 2009, 11:49 AM
    "easy" Trig Identity
    Apparently it is really easy, but I don't get it.

    sinθ secθ cotθ = 1

    Thanks!
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
    		  
    #2

    Apr 26, 2009, 12:06 PM

    You just have to replace the sec and cot into their respective definitions. What is

    ? It is

    ? It is

    Now you only have to simplify. :)
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