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-   -   Cos 2%u03B8 = 2 - sec^2%u03B8 / sec^2%u03B8 (https://www.askmehelpdesk.com/showthread.php?t=546244)

  • Jan 20, 2011, 06:31 PM
    JayJay23
    cos 2%u03B8 = 2 - sec^2%u03B8 / sec^2%u03B8
  • Jan 20, 2011, 07:50 PM
    ma0641
    HOMEWORK? there are 2 posts. This is not a homework help line. Show us your work and we will try to help.
  • Jan 21, 2011, 06:48 AM
    ebaines

    Also - JJ - you can not copy and paste formulas and special characters from Word - they turn out as gibberish.

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