Tangent Calculator
Result
tan(angle)1
sin(angle)0.707107
cos(angle)0.707107
arctan(tan) in degrees45°
Angle in radians0.785398
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Tangent Calculator — free online calculator.
Formula
tan(θ) = sin(θ) / cos(θ) = opposite / adjacent
- Tangent Calculator calculates its result from Opposite, Adjacent. It uses the formula tan(θ) = sin(θ) / cos(θ) = opposite / adjacent. Change any input to recalculate the result instantly.
- The main inputs are Angle. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Tangent
Inputs
- Angle: 45 degrees
Using Opposite = 2, Adjacent = 3, the calculated result is 0.6666666667.
Sample result: Calculating…
Frequently asked questions
What does the Tangent calculate?
Tangent Calculator — free online calculator.
Which values should I enter?
Enter Angle using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: tan(θ) = sin(θ) / cos(θ) = opposite / adjacent.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.