\({\left( {\frac{{\sin {\rm{\theta }} - 2{{\sin }^3}{\rm{\theta }}}}{{2{{\cos }^3}{\rm{\theta }} - \cos {\rm{\theta }}}}} \right)^2}{\rm{}} + {\rm{}}1,{\rm{\;\theta }} \ne 45^\circ ,\) is equal to:

• A. cot2 θ
• B. cosec2 θ
• C. 2tan2 θ
• D. sec2 θ