## catgirl17 express x and y in terms of trigonometric ratios of 0. one year ago one year ago

$x=r \cos (\theta)$ $y=r \sin (\theta)$ you mean like that

$x=28\cos \theta$

3. catgirl17

sorry i labeled it wrong.

4. catgirl17

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you can substitute in the formular on top

6. catgirl17

what do you mean?

oh hypotunese

9. catgirl17

28

so $x=rcos \theta=28\cos \theta$

11. catgirl17

okay

12. catgirl17

so what is y?