What is the meaning of sine squared in mathematical calculations?

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jamesd2008
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I have a problem were i must calculate sine^2(45)*cos^2(45)

Thanks in advance
james
 
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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
 
ok, thanks is the same as sine^2(45)*sine^2(45). :-)