SUBJECT INDEX
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
t
Tan
The trigonometry arctan() function - inverse tangent - math word definition TAN - Math word definition Trigonometry Overview Graph of the Tangent function - Trigonometry The tangent function in right triangles - Trigonometry
Tangent
How to construct (draw) tangents to a circle through an external point Tangent Tangent to a circle definition SOHCAHTOA - math word definition - Trigonometry Parts of a circle - Pictorial index How to construct a tangent to a circle at a point Tangent to an ellipse How to construct (draw) the two internal tangents to two given circles How to construct (draw) the two external tangents to two given circles Calculus - trigonometric Functions The trigonometry arctan() function - inverse tangent - math word definition Introduction to the 6 trigonometry functions The tangent function in right triangles - Trigonometry Graph of the Tangent function - Trigonometry
Taylor series
Calculus - Taylor series and Polynomials
Teaching notes
Teaching Notes: Limitations of the applets in the coordinate geometry section
Terminal
Coterminal - math word definition Terminal side definition - Trigonometry
Terms
Terms of Use
Test
Calculus - Comparison Test Calculus - Integral Test Calculus - Limit Comparison Test Calculus - Alternating Series Test Calculus - Ratio Test
Tetragon
Quadrilateral (also: tetragon, quadrangle) - math word definition Tetragon - math word definition
Tetrahedron
Platonic solid
Thales
Biography of Thales - math word definition Thales theorem
Theorem
Pythagorean Theorem - math word definition Biography of Pythagoras - math word definition Central Angle Theorem Triangle inequality theorem converse Calculus - Second Fundamental Theorem of Calculus Triangle inequality theorem- Math Open Reference Triangle exterior angle theorem Calculus - Fundamental Theorem of Calculus Biography of Thales - math word definition Thales theorem
Time
24 hour time calculator 24 hour difference between two times calculator
Tools
Quadratic curve and graph display (vertex form) Quadratic curve and graph display (standard form)- Math Open Reference
Transform
Reflection - math word definition Reflection - a mirror image of a line segment Dilation - math word definition Calculus - Transformations of Functions Translation - math word definition Rotation - math word definition Reflection - a mirror image of a point
Translate
Translation - math word definition How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
Transversal
Transversal - math word definition Exterior Angles of a Transversal definition Interior Angles of a transversal definition
Trapezium
Trapezium - math word definition
Trapezoid
Trapezoid - math word definition Calculus - Midpoint and Trapezoidal Riemann Sums Trapezoid area and perimeter. (Coordinate Geometry) Derivation of the formula for the area of a trapezoid Perimeter of a trapezoid Area of a trapezoid. Definition, formula and calculator Trapezoid and its properties. (Coordinate Geometry) Trapezoid median (midline, midsegment) definition
Triangle
30-60-90 triangle definition Triangle definition and properties ASA Congruent Triangles Congruent Triangles SSS Congruent Triangles Congruent triangles with a common side Reflected Congruent Triangles Triangle similarity, ratios of parts SSA doesn't work How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler AAA Doesn't work AAS Congruent Triangles 3:4:5 triangle definition HL Congruent Triangles Points of concurrency Area of a triangle (Side-angle-side method) with calculator Median of a triangle - math word definition Triangle midsegment - math word definition Triangle interior angles definition Triangle inequality theorem converse Triangle inequality theorem- Math Open Reference Orthocenter of a triangle - math word definition Perimeter of a triangle Trigonometry introduction - math word definition Solving Triangles using Trigonometry Base - Math word definition Solving Triangles Relationship of side lengths and angles of a triangle Triangle incircle definition Triangle incenter, description and properties Triangle similarity, ratios of area Triangle Centers Overview Relationship of area and perimeter of a triangle Area of a triangle (conventional method) with calculator Altitude of a triangle Triangle centroid definition Triangle Circumcenter definition Triangle exterior angles definition Triangle exterior angle theorem Area of an equilateral triangle Classification of triangles Circumcircle of a Triangle 45-45-90 triangle definition SAS Congruent Triangles Incenter coordinates of a triangle with calculator (Coordinate Geometry) How to construct (draw) an equilateral triangle with compass and straightedge or ruler Coordinates of a triangle centroid with calculator (Coordinate Geometry) Similar Triangles How to construct (draw) a right triangle with two given leg lengths (LL) How to construct a triangle given two sides and the included angle Area of a triangle (Coordinate Geometry) Area of a triangle using the box method (Coordinate Geometry) Equilateral - math word definition Euler line Equiangular - math word definition How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler Copying a triangle with compass and straightedge or ruler How to construct (draw) a right triangle with a given one angle and one leg (LA) How to construct (draw) a right triangle with a given leg and hypotenuse (HL) How to construct (draw) the orthocenter of a triangle- Math Open Reference Pythagorean Theorem Proof How to construct midsegment of a triangle with compass and straightedge or ruler How to construct (draw) the medians of a triangle Construct an isosceles triangle with given leg and apex angle with compass and straightedge or ruler How to construct an isosceles triangle given base and one side How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler How to construct a triangle given two angles and the included side How to construct (draw) a right triangle with a given one angle and hypotenuse (HA) How to construct a triangle given two angles and a non-included side How to construct the incenter of a triangle with compass and straightedge How to construct (draw) the incircle of a triangle with compass and straightedge or ruler Area of a triangle given three sides - Heron's Formula with calculator How to construct (draw) a triangle given three sides How to construct a 30-60-90 triangle with compass and straightedge or ruler Rotated Congruent Triangles SSS Triangle similarity test Pythagorean triples triangle definition How to construct (draw) one of the three altitudes of a triangle Triangle Quiz 1 Right triangle definition SAS Triangle similarity test AAA Triangle similarity test Hypotenuse - math word definition Scalene triangle - math word definition Pythagorean Theorem - math word definition Acute triangle definition How to construct (draw) one of the three altitudes of an obtuse triangle How to construct circumcenter of a triangle with compass and straightedge or ruler The Law of Sines The Law of Cosines Isosceles triangle - math word definition How to construct the centroid of a triangle with compass and straightedge or ruler Obtuse triangle definition Triangles of a Polygon Volume of a triangular prism
Trigonometry
Quadrantal angle - math word definition - Trigonometry Secant function (sec) - Trigonometry Trigonometry problems - Slant distance Trigonometry definition SOHCAHTOA - math word definition - Trigonometry Trigonometry problems - Slope angle Solving Triangles using Trigonometry The sine function - math word definition Trigonometry Overview Terminal side definition - Trigonometry The tangent function in right triangles - Trigonometry The trigonometry arcsin() function - inverse sine - math word definition Standard position of an angle definition - Trigonometry The trigonometry arccos() function - inverse cosine - math word definition The inverse trigonometry functions Trigonometry function with large and negative angles Reference angle Angle definition and properties (Trigonometry) Calculus - Table view of the Derivative Calculus - trigonometric Functions Coterminal - math word definition Cosine - math word definition Introduction to the 6 trigonometry functions Calculus - Derivative at a Point Trigonometry identities Initial side - math word definition - Trigonometry The trigonometry arctan() function - inverse tangent - math word definition Graph of the Tangent function - Trigonometry Graph of the Cosine function - Trigonometry Graph of the Sine function - Trigonometry Trigonometry introduction - math word definition
Triples
Pythagorean triples triangle definition