(e^(2^-1 i3pi) - e^-(2^-1 i3pi))/(2i) = -1 if you could show me this that would be really great btw e is eulers number i = imaginary number sqrt -1 and pi = 3.14... THANKS!!!
sinx = (e^ix - e^-ix)/2i That means that your expression is sin (3 pi/2) The sine of that angle is -1
You can ask a new question or answer this question.
