# `Cauldron2D.Turn`
[🔗](https://github.com/jaman/cauldron/blob/v0.2.2/cauldron_2d/lib/cauldron_2d/turn.ex#L1)

The cosine and sine of an angle in degrees, exact for whole quarter turns so a
picture or shape turned by 90, 180 or 270 degrees lands on the same pixels as one
mirrored by hand.

    Cauldron2D.Turn.cos_sin(90)
    #=> {0, 1}

# `cos_sin`

```elixir
@spec cos_sin(number()) :: {number(), number()}
```

`{cos, sin}` of `degrees`.

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*Consult [api-reference.md](api-reference.md) for complete listing*