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Title Description
Tangent A line that touches a function curve at a single point is said to be Tangent to the function.
Tangent is also one of the six basic trigonometric functions; it is the ratio of the opposite side (from a specified angle) of a right triangle to the adjacent side.
Tangent Line A Line is said to be Tangent to a function when it touches the graph of the function at a single point.
Tau Tau is the 19th letter of the Greek alphabet.
Taylor Series Many common functions can be written as an expansion of the function about a point in a form known as a Taylor Series.
Term In most mathematical expressions a single Term is isolated from other Terms by plus or minus signs.
A monomial is a Term.
Terminal Side of an Angle When in standard position, an Angle has an initial side, a ray on the positive x-axis, and a Terminal Side where the rotation of the angle stops, at an angle of specific measure (in degrees or radians).
Tessellate A planar pattern of repeating geometric shapes is a Tessellation; to produce these shapes is to Tessellate.
Tetrahedron A polyhedron with four faces.
Theorem A mathematical principle typically proved with some rigor is often a Theorem.
Theta The eighth letter of the Greek alphabet is Theta, a common variable for an angle.
Third Quartile For certain types of data, it is the 75th percentile.
Also high quartile or upper quartile.
Three Dimensions The Dimensions of space or volume are Three Dimensions, typically labeled with rectangular, spherical, or cylindrical coordinates.
Three-Dimensional Coordinates Three-Dimensional Coordinates require an ordered triple to label a point in space.
Transcendental Number A Transcendental Number will not be the root of a polynomial with integer coefficients; it is an irrational number.
Transitive Property The Transitive Property is exhibited when three values are related in the following manner: If A = B and B = C, then A = C.
The relation need not be equality.
Transpose (Matrix) When we interchange the rows and columns of a matrix we Transpose the Matrix.
Triple Product (Scalar) Effectively, a Scalar Triple Product is akin to the determinant of a 3x3 matrix.

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