Integrate : $\int \large\frac {\sin ^6 x +\cos ^6 x }{\sin ^2 x \cos ^2 x }$$dx$

Question

$(a)\;[\tan x -\cot x -3x+c] \\(b)\;[\sin x - cosec x +c] \\(c)\;[\tan x -\sec x -3x +c] \\ (d)\;None$