Tangent Calculator — Formula
## Tangent Function
### Definition
**tan(angle) = opposite / adjacent = sin(angle) / cos(angle)**
### Key Values
| Angle | tan |
|-------|-----|
| 0° | 0 |
| 30° | 1/√3 ≈ 0.5774 |
| 45° | 1 |
| 60° | √3 ≈ 1.7321 |
| 90° | undefined |
### Definition
**tan(angle) = opposite / adjacent = sin(angle) / cos(angle)**
### Key Values
| Angle | tan |
|-------|-----|
| 0° | 0 |
| 30° | 1/√3 ≈ 0.5774 |
| 45° | 1 |
| 60° | √3 ≈ 1.7321 |
| 90° | undefined |
Exemplo Resolvido
Calculate tan(45°).
- tan(45°) = 1
- sin(45°) = √2/2 ≈ 0.7071
- cos(45°) = √2/2 ≈ 0.7071
- tan = sin/cos = 0.7071/0.7071 = 1