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How to solve this trigonometric function

  1. Mar 25, 2012 #1

    okh

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    Last edited by a moderator: May 5, 2017
  2. jcsd
  3. Mar 25, 2012 #2

    rock.freak667

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    Homework Helper

    Factor cos^2x-sin^2x and then you can factor out a (sinx-cosx). See if that helps.
     
  4. Mar 25, 2012 #3

    okh

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    Last edited by a moderator: May 5, 2017
  5. Mar 25, 2012 #4
    Factor out a -1 out of one of the terms!
     
  6. Mar 25, 2012 #5
    ^

    gif.gif

    now u can factor :)
     
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