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-   -   Trig identity problems (https://www.askmehelpdesk.com/showthread.php?t=549538)

  • Jan 30, 2011, 08:23 PM
    bobbyshores
    trig identity problems
    (1/sec(x)tan(x))+ sin(x)



    and



    cot^2(x)+cot^2(x)Tan^2(x)
  • Jan 31, 2011, 03:45 AM
    galactus

    What are you supposed to do with those?

    I do not see an equation.

    Taking a guess, the last one can be simplified:

    Factor out :



    Note what is in the parentheses is an identity, .

    So, we have:





    But, by using , we can see that the denominator is equal to:




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