
Algebra
xn = cos (π/2n ) + i sin (π/2n ) ,n is an element of N then x1x2x3x4......xinfinity is equal to.... Please show the steps.
xn = cos (π/2n ) + i sin (π/2n ) ,n is an element of N then x1x2x3x4......xinfinity is equal to.... Please show the steps.





