Diagram
OppositeAdjacentHypotenuse
Formula
sin(θ) = opposite ÷ hypotenuse
The side names are relative to angle θ.
Example
If opposite = 3 and hypotenuse = 5:
sine = 3 ÷ 5 = 0.6
Learn how the sine ratio compares two sides of a right-angled triangle.
sin(θ) = opposite ÷ hypotenuse
The side names are relative to angle θ.
If opposite = 3 and hypotenuse = 5:
sine = 3 ÷ 5 = 0.6