Triangle ParallelogramTrapezoid Rectangle Square Rhombus Regular N-gon SphereCubeCuboidPyramid Rectangular WedgeCircleSector of CircleSegment of CircleAnnulus/Circular RingEllipseFrustrum of a PyramidConeFrustrum of a ConeRight Circular Cylinder with Oblique Face
Introduction to Trigonometric Functions Ferris Wheel Crane Sine Function Box Cosine Function Box Tangent Function Box Six Trig Functions The graph of y=sin x The graph of y=cos x The graph of y=tan t Graph of y=sin ax Graph of y=A sin (Bx-C) Equalities and Inequalities sin t = a cos t = a sin t > a (1) sin t > a (2) cos t > a (1) cos t > a (2) Further Trigonometric Functions Graph of y=sin x + cos x a sin x + b cos x sin(A+B) Fourier Series cosine engine Triangles Law of Sines The Law of Cosines(1) The Law of Cosines(2)
- Area- Circles- Graphing Lines- Graphing Rational Functions- Slope of a Line
Basics of Vector Sum of Vectors Subtraction of Vector Probem of Regular Hexagon Midpoint of Side of Quadrilateral and Parallelogram Division Vector Circle of Apolonius Vector and field(1) Vector and field(2) Linearly Independent of Vector Intersection Point of Vector Vector Equation of Line Vector and Circle Unit Vector Angle Bisector Ceva's Theorem Menelaus's Theorem Cramer's rule Distributive Law for Alternate Product Euler Line Inner Product (Dot Product) The Area of a Parallelogram (1) The Area of a Parallelogram (2) Inner Products Line and Dot product Commutative Law for Inner Product Distributive Law for Inner Product Problem of Dot(Inner) Product Locus of Dot(Inner) Product=const. Vector in 3D Vector Equation of Line in 3D Equation of Plane
Angles and Parallel Lines Angles and Parallel Lines Problem of Angles and Parallel Lines(1) Problem of Angles and Parallel Lines(2) The Sum of Three Angles of a Triangle Angle trisector The Sum of Outer Angles of a Polygon Polygon Creator Regular m/n-Polygon Congruent Figures and Triangles Congruent Triangles Finding angles(1) Finding angles(2) Congruent triangles(1) Congruent triangles(2) Congruent triangles(3) Congruent triangles(4) Sum of three segments Folding Tape Two Squares(1) Two regular triangles Two Squares(2) Congruent Transformation Quadrilaterals and Conservation of Area Parallelogram Two tapes Horizontal Machine Problem about Quadrilateral Problem about Parallelogram Conservation of Area Transformation of a Triangle Dividing Triangle Changing Border Line Transformation of a Pentagon Dividing a Quadrilateral Similar Figures Enlargement of Figures Similar Figure Similar Triangles Pantograph Height of the Pole Shadow of a Square Dividing a Square Midpoint Parallel line and ratio Two Squares Circles Inner Center Common Tangents Inscribed Angles Ruler Quoits Root x Problem of Two Circles(1) Problem of Two Circles(2) Problem of Two Circles(3) Problem of Two Circles(4) Inscribed Quadrilateral Application of Alternate Segment Theorem Two Regular Triangle and Locus Problem of Maximum Angle(1) Problem of Maximum Angle(2) Simson's Law Eye Ball Theorem Three Tangent Lines Peaucellier Apparatus Salinon(Salt-cellar) Pythagorean Theorem Pythagorean Theorem(1) Pythagorean Theorem(2) Pythagorean Theorem(3) Pythagorean Theorem(4) Pythagorean Theorem(5) Pythagorean Theorem(6) Pythagorean Theorem(7) Pythagorean Theorem(8) Hyppocrates' lunar Minimum Distance Shortest Distance Quadrangular Pyramid (1) Quadrangular Pyramid (2) Pythagoras Tree Origami Two Poles