\(\left( {\frac{1}{{1{\rm{\;}} + {\rm{\;}}{{\sin }^2}{\rm{\theta }}}}{\rm{}} + {\rm{}}\frac{1}{{1{\rm{\;}} + {\rm{\;\;cose}}{{\rm{c}}^2}{\rm{\theta }}}}} \right){\rm{}} = {\rm{}}?\)

• A. 2
• B. 1
• C. cosec2 θ
• D. sin2 θ