- trigonometry, the law of
cosines (also
known as the
cosine formula or
cosine rule)
relates the
lengths of the
sides of a
triangle to the
cosine of one of its angles...
- {\displaystyle i={\sqrt {-1}}} , both sine and
cosine functions can be
expressed in
terms of real sines,
cosines, and
hyperbolic functions as:[citation needed]...
- {CB}).}
Using the
cosine addition and
subtraction formulas,
these two
inequalities can be
written in
terms of the
original cosines, cos ( A , C ) ⋅...
- In
analytic geometry, the
direction cosines (or
directional cosines) of a
vector are the
cosines of the
angles between the
vector and the
three positive...
- of
cosines can be used to
determine a side of a
triangle if two
sides and the
angle between them are known. It can also be used to find the
cosines of...
- is preferable. A
variation on the law of
cosines, the
second spherical law of
cosines, (also
called the
cosine rule for angles) states: cos C = − cos...
- A
cosine is a
function of trigonometry.
Cosine or
Kosine may also
refer to:
Cosine,
Saskatchewan COSine, an
annual science fiction convention in Colorado...
-
between a DCT and a DFT is that the
former uses only
cosine functions,
while the
latter uses both
cosines and
sines (in the form of
complex exponentials)....
- it
completely in
terms of
integral powers of
sines and
cosines,
changing sine to sinh and
cosine to cosh, and
switching the sign of
every term containing...
- "law of
cosines" is a pair of
theorems relating the
sides and
angles of
triangles on a
hyperbolic plane,
analogous to the
planar law of
cosines from plane...
