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What does sine^2 mean?

  1. Mar 2, 2010 #1
    I have a problem were i must calculate sine^2(45)*cos^2(45)

    Thanks in advance
  2. jcsd
  3. Mar 2, 2010 #2
    sine^2(45) would mean you take the sine of 45 degrees and then you square that value.

    sine(45) = 1/[tex]\sqrt{2}[/tex]
    sine^2(45) = (1/[tex]\sqrt{2}[/tex])^2 = .5
  4. Mar 2, 2010 #3
    ok, thanks is the same as sine^2(45)*sine^2(45). :-)
  5. Mar 2, 2010 #4


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    Homework Helper

    Yes. Confusing notation, isn't it... pity.
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