---
title: PHASECurveType.inverseSine
framework: phase
role: symbol
role_heading: Case
path: phase/phasecurvetype/inversesine
---

# PHASECurveType.inverseSine

An inverse sine curve.

## Declaration

```swift
case inverseSine
```

## Discussion

Discussion The function y = sin^-1(x) shapes this curve. The inverse sine curve behaves like PHASECurveType.sine, only rotated 90 degrees.

## See Also

### Types

- [PHASECurveType.linear](phase/phasecurvetype/linear.md)
- [PHASECurveType.squared](phase/phasecurvetype/squared.md)
- [PHASECurveType.inverseSquared](phase/phasecurvetype/inversesquared.md)
- [PHASECurveType.cubed](phase/phasecurvetype/cubed.md)
- [PHASECurveType.inverseCubed](phase/phasecurvetype/inversecubed.md)
- [PHASECurveType.sine](phase/phasecurvetype/sine.md)
- [PHASECurveType.sigmoid](phase/phasecurvetype/sigmoid.md)
- [PHASECurveType.inverseSigmoid](phase/phasecurvetype/inversesigmoid.md)
- [PHASECurveType.holdStartValue](phase/phasecurvetype/holdstartvalue.md)
- [PHASECurveType.jumpToEndValue](phase/phasecurvetype/jumptoendvalue.md)