# What does sine^2 mean?

1. ### jamesd2008

64
I have a problem were i must calculate sine^2(45)*cos^2(45)

james

2. ### Mugged

104
sine^2(45) would mean you take the sine of 45 degrees and then you square that value.

sine(45) = 1/$$\sqrt{2}$$
sine^2(45) = (1/$$\sqrt{2}$$)^2 = .5

3. ### jamesd2008

64
ok, thanks is the same as sine^2(45)*sine^2(45). :-)

4. ### CRGreathouse

3,682
Yes. Confusing notation, isn't it... pity.