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Is IN right here?

  1. May 18, 2010 #1


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    Could someone take a ganders at this and see if i have it right please? i just want to make sure i got cos and sin right. if you could do the question and see if you get the same it would be great. thanks for your help
    i just put a link to the page i uploaded it to, i dont know how to downsize the pic and i dont want to slow down the browser, i hope this is ok
  2. jcsd
  3. May 18, 2010 #2


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    can anyone help with this please?
  4. May 18, 2010 #3


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    Staff Emeritus
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    It looks like your calculator is in radians mode. You need to switch to degrees mode.
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