Sine, Cosine and Tangent (often shortened to sin, cos and tan) are each a ratio of sides of a right angled triangle: To calculate them: Divide the length of one side by another side. Example: What is the sine …

Free online tangent calculator. tan (x) calculator.

On the unit circle, tan⁡ (θ) is the length of the line segment formed by the intersection of the line x=1 and the ray formed by the terminal side of the angle as shown in blue in the figure above.

Effortlessly find trigonometric function values (sin, cos, tan, cot) or solve for missing sides or angles in a right triangle using our remarkable tool crafted by experts.

Jan 2, 2026 · What is the tangent function in trigonometry? In trigonometry, the tangent function (tan) of an angle in a right triangle is the ratio of the opposite side to the adjacent side.

Free math problem solver answers your trigonometry homework questions with step-by-step explanations.

Tangent calculator to easily calculate the tan function of any angle. Calculate cos (x) with this trigonometry calculator which accepts degrees and radians.

Use the tan calculator to find the tangent of an angle in radians or degrees, plus learn the trigonometric formulas and steps to solve it.

The ratio of the length of the opposite side to that of the adjacent side in any right-angled triangle is said to be the tan function. Learn the formula using solved examples.

Angle Calculator: Sin, Cos, and Tan Find unknown angles from measured trig ratios. Also compute sin, cos, tan from any angle. Quick inputs, clear solutions, and easy sharing tools today.