## tangent- In a right triangle, if one of the
angles is
*θ*, then the tangent of*θ*is the ratio of lengths of the side opposite*θ*to the side next to*θ*. - A straight line that touches a given curve exactly once, at a given point. The gradient of the tangent is equal to the instantaneous gradient of the curve at the point of contact.
## Related categories• FUNCTIONS• GEOMETRY | |||||

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