Diagram
OppositeAdjacentHypotenuse
Formula
tan(θ) = opposite ÷ adjacent
The side names are relative to angle θ.
Example
If opposite = 3 and adjacent = 4:
tangent = 3 ÷ 4 = 0.75
Learn how the tangent ratio compares two sides of a right-angled triangle.
tan(θ) = opposite ÷ adjacent
The side names are relative to angle θ.
If opposite = 3 and adjacent = 4:
tangent = 3 ÷ 4 = 0.75