# Trigonometry! #82

Geometry Level 2

If $$m=\frac {\cos \alpha}{\cos \beta}$$ and $$n = \frac{\cos \alpha}{\sin \beta}$$ then select the option equivalent to $$(m^{2}+n^{2})\cos ^{2} \beta$$

This problem is part of the set Trigonometry.

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