# trigonometric function

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Related to Trigonometric functions: trigonometry
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## Synonyms for trigonometric function

### function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle

References in periodicals archive ?
The investigations involve students using ratio, proportional reasoning, properties of triangles, and the trigonometric function tangent (tan) to calculate an estimate of the height of something that they are unable to measure directly.
Alternative definitions for trigonometric functions.
To test nondiagonal preconditioners and the reordering option of TNPACK, we defined the following preconditioner [M.sub.k] for the trigonometric function: elements [m.sub.ii] are set to the /th diagonal element of [H.sub.k] for i [is less than or equal to] i [is less than or equal to] n; off-diagonals [m.sub.1, n-1] = [m.sub.n-1,1] = 0.1, [m.sub.1, n] = [m.sub.n, 1] = -0.1, and other elements are zero.
Yang, "Three families of two-parameter means constructed by trigonometric functions," Journal of Inequalities and Applications, vol.
In the case of periodic problems, the natural basis functions are trigonometric functions. In other words, the solution is approximated with a truncated Fourier series.
From the definition of the first term ([C'.sub.1]) of the continuous GC measure (CGC) (9), the complexity of the set of trigonometric functions defined by (15) can be obtained:
After a review of the real numbers--which he guesses many instructors will want to skim or skip--he covers functions and their graphs; linear, quadratic, polynomial, and rational functions; exponential functions, logarithms, and e; trigonometric functions; trigonometric algebra and geometry; applications of trigonometry; sequences, series, and limits; and systems of linear equations.
First, trigonometric functions are perhaps students' first encounter with operations that cannot be evaluated algebraically, the kinds of operations about which they have trouble reasoning (Weber, 2005).
Because of extracting the nonlinearity of rotors to separate (first) part of model, the second part of model contains the system dynamic where the only nonlinearity is the trigonometric functions of angular speeds and angles.
First, we can simply use trigonometric functions. Second, considering the kinematic features of the problem, we can use the composition of the successive link transformations.
Coverage includes the coordinate plane, equations and graphs, linear functions and quadratic functions, arithmetic combinations of functions, inverse functions, algebraic and polynomial functions, and trigonometric functions. Included with each chapter are exercises for calculus and a chapter test with answers to odd-numbered questions.
One of the trigonometric functions is computed, and the other can be obtained quickly using an identity.
As application, we derive several sharp inequalities involving the trigonometric, hyperbolic, and inverse trigonometric functions. Some complicated computations are carried out using Mathematica computer algebra system.
The topics include functions and mappings, derivatives, trigonometric functions and their inverses, the completeness of the real numbers, uniform convergence and interchanging limits, infinite products and the Gauss integral, and selected topics on functions of a real variable.
The topics include the number systems, polynomials, rational functions, trigonometric functions, and Landen transformations.
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