1 = cos2 (x) + sin2 (x) = (eix + e-ix )2 /4 + sin2 (x) = (e2ix + e-2ix )/4 + e2ln(sin(x)) + 1/2
Klubber
pawn casters
4 Medlemmer
1 = cos2 (x) + sin2 (x) = (eix + e-ix )2 /4 + sin2 (x) = (e2ix + e-2ix )/4 + e2ln(sin(x)) + 1/2