| InvalidOperationException | x is signaling NaN or ±∞ | 
| UnderflowException | result is too small to be represented | 
| OverflowException | result is too big to be represented | 
| InexactException | the result is inexact | 
| x | tan(x) | 
|---|---|
| NaN | NaN | 
| ±∞ | NaN | 
| -π/2 | -∞ | 
| -π/3 | -√3 | 
| -π/4 | -1.0 | 
| -π/6 | -1/√3 | 
| ±0.0 | +0.0 | 
| +π/6 | +1/√3 | 
| +π/4 | +1.0 | 
| +π/3 | +√3 | 
| +π/2 | +∞ | 
Returns tangent of x.