- 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:...
- Law
of Sines In trigonometry, the law
of sines,
sine law,
sine formula, or
sine rule is
an equation relating the
lengths of the
sides of any
triangle to...
-
trigonometric functions,
related to right-
angle triangles,
define them only for
acute angles. To
extend the
sine and
cosine functions to
functions whose...
- then the top edge
of the bar will be
tilted by the same
amount forming an angle that may be
calculated by the
application of the
sine rule. The hypotenuse...
-
an angle or
plane angle is the
figure formed by two rays,
called the
sides of the
angle,
sharing a
common endpoint,
called the
vertex of the
angle. Two...
-
formulated by
Ernst Abbe in the
context of microscopes. The Abbe
sine condition says that the
sine of the object-space
angle α o {\textstyle \alpha _{\mathrm...
- Euclid's Elements),
forming an isosceles triangle. More generally, the law
of sines states that the
sine of each
angle of a
triangle is
proportional to...
- they subtend.
Similarly the
diagonals are
equal to the
sine of the sum
of whichever pair
of angles they subtend. We may then
write Ptolemy's
Theorem in...
- In geometry, the
polar sine generalizes the
sine function of angle to the
vertex angle of a polytope. It is
denoted by psin. Let v1, ..., vn (n ≥ 1) be...
- the
cosine of pressure angle. The one
which exerts thrust (perpendicular to the
pitch line) is
proportional to the
sine of pressure angle. So it is advised...
