02.28.2017. Tuesday
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 Geometry Two-dimensional geometric shapes⦿ Rhombus⦿ Parallelogram⦿ Trapezoid⦿ Kite⦿ Circle⦿ Circular sector⦿ Circular segment⦿ Area of a Triangle⦿ Squere⦿ Rectangle Three-dimensional geometric shapes⦿ Cube⦿ Sphere⦿ Cylinder⦿ Cone⦿ Prism⦿ Pyramide⦿ Platonic solids Trigonometry⦿ Law of Sines⦿ Law of Cosines⦿ Trygonometry Identities of same angle⦿ Identities for the sum and difference of two angles⦿ Trigonometric identities of double angles⦿ Trigonometric identities of half angles⦿ Sum and difference of trigonometric functions⦿ Trigonometry of right triangles Vectors⦿ Scalar Product of Vectors⦿ Vector Product of Vectors Analytical Geometry 2D⦿ Distance between two points⦿ Circle⦿ Linear equation⦿ Ellipse

Analytical Geometry 2D

# Ellipse

 Központi elipszis egyenlete $\frac{{x}^{2}}{{a}^{2}}+\frac{{y}^{2}}{{b}^{2}}=1$ Fókuszpontok központ elipszisnél ${F}_{1}\left(-c,0\right);{F}_{2}\left(c,0\right);c=\sqrt{{a}^{2}-{b}^{2}}$ Elipszis egyenlete $\frac{\left(x-u{\right)}^{2}}{{a}^{2}}+\frac{\left(y-v{\right)}^{2}}{{b}^{2}}=1$