# Test

# Case 0

```test
> 0
0
```

# Test 1

```test
> 180
3.141592653589793
```

# Test 2

```test
> 90
1.5707963267948966
```

# Test 3

```test
> 45
0.7853981633974483
```

# Test 4

```test
> 105
1.8325957145940461
```