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What does sine^2 mean?

by jamesd2008
Tags: sine2
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Mar2-10, 08:03 PM
P: 64
I have a problem were i must calculate sine^2(45)*cos^2(45)

Thanks in advance
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Mar2-10, 08:17 PM
P: 104
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
Mar2-10, 08:21 PM
P: 64
ok, thanks is the same as sine^2(45)*sine^2(45). :-)

Mar2-10, 08:35 PM
Sci Advisor
HW Helper
P: 3,684
What does sine^2 mean?

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

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