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-   -   How do you prove sec^2x = cosecx / (cosecx - sinx)? (https://www.askmehelpdesk.com/showthread.php?t=523438)

  • Nov 6, 2010, 12:37 PM
    mngnmfn
    how do you prove sec^2x = cosecx / (cosecx - sinx)?
    I'm beyond lost here, is there a way to prove that?
  • Nov 6, 2010, 02:53 PM
    galactus


    Start with the right hand side:

    Since :







    sin(x) cancels and we are left with:



    Remember that





  • Nov 6, 2010, 03:02 PM
    mngnmfn
    Comment on galactus's post
    Thank you! You're brilliant!

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