Integrate : $\int \cos^3 x \sin ^2 x dx$

Question

$(a)\;\tan ^2 x +\cot ^2 x +c \qquad(b)\;\cos^2 x - \sin ^2 x +c \qquad(c)\;\frac{(\cos x)^3}{3}+\frac{(\cos x )^5}{5}+c \qquad (d)\;\frac{(\sin x)^3}{3}+\frac{(\sin x )^5}{5}+c$