Find the modulus and argument of the complex number $\; \large\frac{1+i}{1-i}$

Question

$(a)\;1 , \large\frac{\pi}{2}\qquad(b)\;3 , \large\frac{\pi}{2}\qquad(c)\;1 , \large\frac{\pi}{4}\qquad(d)\;5 , \large\frac{\pi}{2}$