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# PHASECurveType.inverseSine

An inverse sine curve.

```
case inverseSine
```

## Discussion

The function `y` `=` `sin^-1(x)` shapes this curve. The inverse sine curve behaves like [`PHASECurveType.sine`](/documentation/PHASE/PHASECurveType/sine), only rotated `90` degrees.

---

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