# Irregular sin curve.

#### HazyGeoGeek

Hi
I'm a beginner and I would like to obtain an equation to generate an irregular sin curve.

Also, can someone suggest me some good books to start with? I would be interested to draw a curve with equations.

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greg1313

#### mathman

Forum Staff
It looks like sin(x)-c.

#### HazyGeoGeek

It looks like sin(x)-c.
In your picture, you have $a=b=\pi$. Is that not what you intended? Or are you plotting $x(\theta)$ and $y(\theta)$?