أكاديميا - كولنز - معاجم الجيب العلمية - الرياضيات - انكليزي -فرنسي -عربي الحرف ٨_ c

Academia - Collins - Pocket Scientific Dictionaries - Mathematics - English - French - Arabic Letter 8_ C

cotangent
cotangente f

Cotangent. Trigonometric function. The cotangent of an angle in a right-angled triangle is the ratio between the opposite side and the adjacent side.

In triangle 10 = ABC

Cotangent 0 = BC/BA
8/6 = 1,33

The value of and can now be determined by examining the table of values ​​of the cotangent function. 36.9 = 0 .

count
comptage m

Count. Enumeration. Counting the number of objects in a set is to match the objects by matching one element with another with the names of positive integers: «one, two, three . ... A term used to describe the process of simplifying equations containing fractional terms. For example:

If 4x/3=6 then x=4 1/2 i.e. x=6×3/4

cross section
section f transversale

Cross section. The cross section of a solid is the flat shape resulting from cutting the body, often at right angles to the axis of symmetry of the body.

cube
cube m

Cube. Cube. 1 - A regular solid with six
square faces.

2 - Cubing a number is raising it to the power of 3. The four is written cubed:

4=64×4×43=4

cubic
cubique

Cubic. Cube. The cubic function is a polynomial of degree three:

ax³+bx²+cx+d

All cubic equations with real coefficients have at least one real solution.

The cubic meter, the cubic centimeter, etc. are units used to measure volume. A solid with a volume of three cubic meters, written 3m, has the same volume as three cubes with sides of one meter each.

cuboid
cuboïde m

quasi-cube. A rectangular parallelepiped. A solid with six rectangular surfaces (faces), in which the area of ​​each two opposite surfaces (faces) is equal.

cumulative frequency
fréquence f cumulative

Cumulative frequency. A method in statistics for collecting the frequencies of the values ​​of a variable by adding frequencies that are not greater than certain values ​​of the variable.

The graph of the cumulative frequency is called the Gothic arc.

cusp
point m de rebroussement

.ogive

A simple horn is a point on a curve that rotates on itself, where two branches of the curve share a common tangent such that the branches are on opposite sides of it.
3y = x3 Such as

The curve above has a simple horn at the origin, where the x-axis forms the common tangent.