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## Homework Statement

It's a longer problem but all that's left is:

[tex]y = k^2 \frac{1-cos(\theta)}{2}[/tex]

[tex]x = k^2 \frac{\theta - sin(\theta)}{2}[/tex]

I want to find a k that solves the equations for the point [tex](x, y) = (x_0, y_0)[/tex]

## The Attempt at a Solution

I manipulated them to get two expressions for k, putting them = eachother and simplifying I get

[tex]2(\theta-sin(\theta)) = 1 - cos(\theta)[/tex]

And now I'm completely stuck, how on Earth do I go about finding what theta is?

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