if ` z = cos ""pi/4 + i sin""pi/6` then

If z = cos"" pi/4+ isin (pi/6) ,then

If z= cos (pi)/(3) - i sin (pi)/(3) then z^(2)-z+1 is equal to

If z_(1) = sqrt(2)(cos""(pi)/(4) + "" i sin""(pi)/(4)) and z_(2) = sqrt(3)(cos""(pi)/(3) + i sin""(pi)/(3)) , then |z_(1)z_(2)| is

z = (1+cos6 pi)+i sin6 pi

Write the complex number z = (i-1)/(cos pi/3 + i sin pi/3) in polar form.

z=cos(pi/6)+isin(pi/6)=?

Find the rectangular form of the complex numbers. (cos" " (pi)/(6) + i sin" " (pi)/(6)) (cos" " (pi)/(12) + i sin" " (pi)/(12))

Express ( sqrt2 ( cos"" ( pi )/(12) + i sin ""( pi)/(12)))/( 2 ( cos "" ( 5pi)/(6) + i sin "" ( 5pi)/(6))) in a + ib form