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Math Help - sorry one more!!!

  1. #1
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    sorry one more!!!

    I just cant get it.


    Trig identities:



    4 tan(x) = 2tan(2x)/2-sec^2(x)
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by xxpl510xx View Post
    I just cant get it.


    Trig identities:



    4 tan(x) = 2tan(2x)/2-sec^2(x)
    It would seem the reason you can't do it is that it isn't correct. I ran it through my calculator and it didn't work.

    -Dan
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  3. #3
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    Ill look it over thanks.
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