$$\frac{1+\cos 40^{\circ}}{\cos 55^{\circ} \cdot \cos 35^{\circ}}$$ Which of the following is this expression equal to? A) $\cos 20^{\circ}$ B) $2\cos 20^{\circ}$ C) $4\cos 20^{\circ}$ D) $\cos 40^{\circ}$ E) $2\cos 40^{\circ}$
$$\frac{1+\cos 40^{\circ}}{\cos 55^{\circ} \cdot \cos 35^{\circ}}$$
Which of the following is this expression equal to?
A) $\cos 20^{\circ}$\\
B) $2\cos 20^{\circ}$\\
C) $4\cos 20^{\circ}$\\
D) $\cos 40^{\circ}$\\
E) $2\cos 40^{\circ}$