Example image of eyePlorer eyePlorer map for 'Tangent': Tangent (disambiguation) Curve Geometry Line (geometry) Point (geometry) Euclidean space Plane (geometry) Surface Differential geometry Tangent space Secant line Circle Parabola Inflection point Triangle Convex geometry Supporting hyperplane Calculus 52 La Géométrie René Descartes Function (mathematics) Difference quotient Slope Augustin-Louis Cauchy Limit of a function Exponential function Logarithm Power function Trigonometric functions Absolute value Radius Manifold Apollonian gasket Asymptotic curve Biarc Descartes' theorem Envelope (mathematics) Focal surface Ibrahim ibn Sinan Incircle and excircles of a triangle Inscribed angle Inscribed sphere Intersection number Isoptic Jean Paul de Gua de Malves Joseph Saurin Kochanek–Bartels spline Lower tangent arc Malfatti circles