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Trigonometry (from Ancient Greek τρίγωνον (trígōnon) 'triangle' and μέτρον (métron) 'measure') [1] is a branch of mathematics concerned with relationships between angles and side lengths of triangles.
Thomae's function: is a function that is continuous at all irrational numbers and discontinuous at all rational numbers. It is also a modification of Dirichlet function and sometimes called Riemann function. Kronecker delta function: is a function of two variables, usually integers, which is 1 if they are equal, and 0 otherwise.
In mathematics, an elementary function is a function of a single variable (typically real or complex) that is defined as taking sums, products, roots and compositions of finitely many polynomial, rational, trigonometric, hyperbolic, and exponential functions, and their inverses (e.g., arcsin, log, or x 1/n).
Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself.
10 Easy Post-Thanksgiving Dinner Recipes PHOTO: ANDREW BUI; FOOD STYLING: MAKINZE GORE. Thanksgiving can be a beautiful celebration, but with all the travel, guest accommodation, cooking, cleaning
From January 2012 to December 2012, if you bought shares in companies when Diane B. Greene joined the board, and sold them when she left, you would have a 12.4 percent return on your investment, compared to a 10.1 percent return from the S&P 500.
The U.S. Federal Reserve is expected to reduce its benchmark policy rate by a quarter of a percentage point at the end of its policy meeting on Thursday, a decision that may seem a footnote given ...
Basis of trigonometry: if two right triangles have equal acute angles, they are similar, so their corresponding side lengths are proportional.. In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.