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-   -   Cot x + csc x sec x = sin x / 1-cos x + tan x / 1-cos x (https://www.askmehelpdesk.com/showthread.php?t=578347)

  • May 26, 2011, 07:11 AM
    daisters
    cot x + csc x sec x = sin x / 1-cos x + tan x / 1-cos x
    About math
  • May 26, 2011, 08:27 AM
    tickle
    Quote:
    Originally Posted by daisters View Post
    about math
    What about it ?
  • May 26, 2011, 10:28 AM
    ebaines

    The formula is incorrect. I think what you meant is this:



    If you're trying to prove the identity, the best approach is to change the cot(x), tan(x), csc(x) and sec(x) functions into their sin(x) and cos(x) equivalents. Then simple algebra manipulations to get it so that both sides of the equation are the same.

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