# This isn't too trigy :

Geometry Level 1

$cos^2 \theta\ = \frac{4}{9}$ If the value of tan$$\theta$$ can be given as: $\frac{\pm\sqrt{a}}{b},$ where $$a$$ is a square free integer and $$b$$ is a positive integer. What is the value of: $a+b \ ?$

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