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-   -   prove ((sec(x)-csc(x))/((sec(x)+cot(x)) is equal to ((tan(x)-1)/(tan(x)+1) (https://www.askmehelpdesk.com/showthread.php?t=644224)

  • Mar 17, 2012, 07:11 PM
    KTC143
    prove ((sec(x)-csc(x))/((sec(x)+cot(x)) is equal to ((tan(x)-1)/(tan(x)+1)
    Prove this trigonometric identity... I dare you!!
  • Mar 17, 2012, 07:14 PM
    KTC143
    prove ((sec(x)-csc(x))/((sec(x) cot(x)) is equal to ((tan(x)-1)/(tan(x) 1)
    Please help!. alabama high school homework... trigonometric identity
  • Mar 17, 2012, 08:00 PM
    Phabio
    Change both the sides of the equation to sines and cosines and you should be able to find it out from their
  • Mar 19, 2012, 06:19 AM
    ebaines
    The identity is incorrect, so it can't be proven. I suspect that the identity you are trying to prove is actually this:



    As Phabio said - convert the functions to sine and cosine equivalents and work from there.

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