Moment of inertia of a thin rod of mass M and length l about an axis as shown .

Question

$$\begin {array} {1 1} (a)\;\frac{Ml^2 \sin \theta}{12} & \quad (b)\;\frac{Ml^2 \cos \theta}{12} \\ (c)\;\frac{Ml^2}{12} & \quad  (d)\;\frac{Ml^2}{3} \end {array}$$