$$\frac { \cos ^ { 2 } \left( 80 ^ { \circ } \right) + 5 \sin ^ { 2 } \left( 80 ^ { \circ } \right) - 3 } { \cos \left( 50 ^ { \circ } \right) }$$
Which of the following is this expression equal to?\\
A) $\cot \left( 50 ^ { \circ } \right)$\\
B) $\sec \left( 20 ^ { \circ } \right)$\\
C) $\sec \left( 40 ^ { \circ } \right)$\\
D) $\operatorname { cosec } \left( 20 ^ { \circ } \right)$\\
E) $\operatorname { cosec } \left( 40 ^ { \circ } \right)$