### Formula

tanA

tangent of angle A

a

length of the opposite side

b

length of the adjacent side

tanA

tangent of angle A

a

length of the opposite side

b

length of the adjacent side

The tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side (called so because it can be represented as a line segment tangent to the circle).

a

b

tanA

Precision

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