Find the modulus and principal argument of `(1+i)` and hence express it in the polar form.

Find the modulus and principal argument of -2i

Find the modulus and principal argument of -4.

Find the modulus and principal argument of -4.

Find the modulus and principal argument of -2-i

Find the modulus and the argument of -1+i

Find the modulus and argument of each complex number and express it in the polar form. ( -1)/( sqrt2) + (-1)/(sqrt2) i

Find the modulus and the argument of -1-sqrt3i

Find the modulus and argument of the following complex number and hence express them in the polar form: (1-i)/(1+i)

Find the modulus and argument of the following complex number and hence express them in the polar form: \ 1/(1+i)

Find the modulus and argument of the following complex number and hence express them in the polar form: \ 1-i