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-   -   Verifying trigonometric identities (https://www.askmehelpdesk.com/showthread.php?t=737623)

  • Mar 5, 2013, 02:11 PM
    _chanelxo_
    Verifying trigonometric identities
    Verifying trigonometric identities
  • Mar 5, 2013, 02:14 PM
    _chanelxo_
    PLEASE SOLVE sin x + cos x /sin x - cos x-sin x/ cos x = sec x csc x
  • Mar 6, 2013, 10:25 AM
    ebaines
    Quote:

    Originally Posted by _chanelxo_ View Post
    PLEASE SOLVE sin x + cos x /sin x - cos x-sin x/ cos x = sec x csc x

    Please use parentheses. What you wrote is this:



    which is incorrect. I believe what you meant is this:



    As usual for working with trig identities start by converting any tanx, cotx, secx, and cscx functions to their sinx and cosx equivalents. Then it's a simple matter of combining the two fractions, simplifying, and applying the identity:


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