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-   -   Verifying identities calculator (https://www.askmehelpdesk.com/showthread.php?t=715914)

  • Nov 11, 2012, 11:59 AM
    aconstantakos
    verifying identities calculator
    (cosx/(1-sin^2)) + ((1-sinx)/cosx) = 2secx
  • Nov 12, 2012, 07:56 AM
    ebaines
    No, it doesn't. Using 1-sin^2x = cos^2x, the first term is equivalent to 1/cosx. Add that to the second term and you get (2-sinx)/cosx, which is not the same thing as 2secx

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