2 ms·
Sorry, but sin(pi/2 + X) == cos(x) would make more sense to me -- a cos is half a cycle ahead of sin, so the pi/2 term just works with that.
by sophacles 16y ago
Sorry, but sin(pi/2 + X) == cos(x) would make more sense to me -- a cos is half a cycle ahead of sin, so the pi/2 term just works with that.