everydaycalc
Maths

Tangent Calculator

Use the free tangent calculator. Enter angle (degrees) to get a result, with a formula and worked example.

How to calculate tangent

This tool calculates tangent from Angle (degrees). Enter each quantity in its labelled field, then use the formula below to check the calculation.

Formula

tan(angle × π ÷ 180)

Worked example

Angle (degrees)
45

Applying the formula to these values gives 1 .

What should I check?

Calculate powers, roots, logarithms, ratios, slopes and trigonometric functions. Trigonometric angles are entered in degrees.

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