# CALCULUS GLOSSARY

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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. 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. Tetrahedron A polyhedron with four faces. 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. Transpose (Matrix) When we interchange the rows and columns of a matrix we Transpose the Matrix. Trapezoidal Rule When approximating an integral in calculus we may treat each partition as a Trapezoid to determine the area under the curve. Triple Product (Scalar) Effectively, a Scalar Triple Product is akin to the determinant of a 3x3 matrix. Please send us an email with your suggestions for this glossary. We at Mr. X want this site to be as helpful as possible.

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