is sin^2(x) = (sin(x))^2 or sin (x^2) ?

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- January 31st 2011, 01:27 PMfrankinaroundsin^2(x)
is sin^2(x) = (sin(x))^2 or sin (x^2) ?

- January 31st 2011, 01:33 PMPlato
and that second way is how many calculators and computer algebra systems require it be done.

But historically the first way is preferred. - January 31st 2011, 01:33 PMe^(i*pi)

This holds for any positive integer