Trigonometry
Basic

Tangent Ratio (TOA)

Ratio of the opposite side to the adjacent side.

Formula

tan⁡θ=oppositeadjacent\tan\theta = \frac{\text{opposite}}{\text{adjacent}}

Variables

\thetaAngle

Example

tan 45° = 1

Did You Know?

Tangent gets its name from the tangent line to a circle, where its length physically represents the ratio.

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