# Statics Tension, Spring, and, DownWard Force

## Homework Equations

I am Stuck getting Theta out of the last step of equation. I have found that theta is 35 by trial and error.( i wrote an excel program)[/B]

## The Attempt at a Solution

$$\frac{P}{k}=\tan{\theta}\frac{(4-\cos{\theta})[\sqrt{5-4\cos{\theta}}-1]}{\sqrt{5-4\cos{\theta}}}$$