释义 |
trigonometry /ˌtrɪɡəˈnɒmɪtri /noun [mass noun]The branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.Geometry, and its branch trigonometry, was the mathematics Indian astronomers used most frequently....- Indians also added to our knowledge of even more complicated branches of mathematics such as trigonometry and calculus.
- He studied a lot of mathematics in his own time including trigonometry, differential and integral calculus, and complex numbers long before he met these topics in his formal education.
Derivativestrigonometric /ˌtrɪɡənəˈmɛtrɪk / adjective ...- Curves (such as the trigonometric polynomials of elliptic Fourier analysis) may be fit to such an outline, and then compared through statistical analysis of their parameters.
- The radian measure makes many trigonometric equations simpler and so it is the preferred unit of measuring angles in mathematics.
- Vallée Poussin also worked on approximation to functions by algebraic and trigonometric polynomials from 1908 to 1918.
trigonometrical /ˌtrɪɡənəˈmɛtrɪk(ə)l / adjective ...- But there were algebraic, trigonometrical, and simple Pythagorian solutions offered, too
- Astronomy, time-keeping and geography provided other motivations for geometrical and trigonometrical research.
- Rather than using geometrical methods, as Ptolemy had done, al-Battani used trigonometrical methods which were an important advance.
OriginEarly 17th century: from modern Latin trigonometria (see trigon, -metry). Rhymescraniometry, geometry, micrometry, optometry, psychometry, pyrometry, sociometry |