limited tangent

Let the tangent line $t$ of a given curve $\gamma$ have the tangency point $T$ and go through another point $P$.  Then the segment $PT$ of $t$ is a limited tangent from the point $P$ to $\gamma$.

Title limited tangent LimitedTangent 2013-03-22 15:07:11 2013-03-22 15:07:11 mathcam (2727) mathcam (2727) 5 mathcam (2727) Definition msc 51M99 restricted tangent