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Right Triangle Sine Ratio

Calculate sine of angle using the right triangle sine ratio formula.

Sine of angle: -
Visual representation

Right Triangle Sine Ratio diagram

The diagram updates with your entries and is illustrative, not necessarily drawn to scale.

Calculation explained

How this result was calculated

The formula, your substituted values, and the evaluated result are shown below.

Reference: Formulae and Tables, State Examinations Commission (2014), page 14.
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How the Right Triangle Sine Ratio works

This calculator applies the formula given in Formulae and Tables, State Examinations Commission (2014), page 14. Enter values in consistent units.

Formula and inputs

opposite ÷ hypotenuse

Inputs: Opposite side, Hypotenuse.

Using the result

The result is rounded to 6 decimal places. Check units, assumptions and significant figures before using the answer.

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