For a given angle θ each ratio stays the same The tangent function is the ratio of sine to cosine (tan θ = sin θ/cos θ), and the cotangent function is the ratio of cosine to sine (cot θ = cos θ/sin θ). 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.
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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.
Tan θ is a commonly used trigonometric function along with other 5 functions
Tan θ is also called as law of tangent Here are the formulas of sin, cos, and tan 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. Tangent calculator to easily calculate the tan function of any angle
Calculate cos (x) with this trigonometry calculator which accepts degrees and radians. The common schoolbook definition of the tangent of an angle in a right triangle (which is equivalent to the definition just given) is as the ratio of the side lengths opposite to the angle and adjacent the angle, i.e.,
