-
Trigonometry (from
Ancient Gr**** τρίγωνον (trígōnon) 'triangle' and μέτρον (métron) 'measure') is a
branch of
mathematics concerned with relationships...
- In mathematics, the
trigonometric functions (also
called circular functions,
angle functions or
goniometric functions) are real
functions which relate...
- In
trigonometry,
trigonometric identities are
equalities that
involve trigonometric functions and are true for
every value of the
occurring variables for...
- Papyrus) and
Babylonian mathematics.
Trigonometry was also
prevalent in Ku****e mathematics.
Systematic study of
trigonometric functions began in ****enistic...
-
Spherical trigonometry is the
branch of
spherical geometry that
deals with the
metrical relationships between the
sides and
angles of
spherical triangles...
-
trigonometric functions (occasionally also
called antitrigonometric, cyclometric, or
arcus functions) are the
inverse functions of the
trigonometric functions...
- In mathematics, sine and
cosine are
trigonometric functions of an angle. The sine and
cosine of an
acute angle are
defined in the
context of a
right triangle:...
-
Chords were used
extensively in the
early development of
trigonometry. The
first known trigonometric table,
compiled by
Hipparchus in the 2nd
century BC,...
- mathematics,
hyperbolic trigonometry can mean: The
study of
hyperbolic triangles in
hyperbolic geometry (traditional
trigonometry is the
study of triangles...
- In mathematics, the
values of the
trigonometric functions can be
expressed approximately, as in cos ( π / 4 ) ≈ 0.707 {\displaystyle \cos(\pi /4)\approx...
