Find (A) the Divergence and (B) the Curl of the Vector

Short Answer

Find (a) the divergence and (b) the curl of the vector field $\mathbf { F }$ .
$$\mathbf { F } ( x , y , z ) = \cos z \mathbf { i } + 3 y \sin 3 z \mathbf { j } + 6 x ^ { 3 } z \mathbf { k }$$