Trigonometrica munus: Cosme anguli (cos)
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Definition

Cosma anguli acuti α (COS α) sit proportio cruris adjacentis (b) Ad hypotenusam (c) in triangulo recto.

sin α = b / c

Trigonometrica munus: Cosme anguli (cos)

For example:

b = 4

c = 5

sin α = b / c = 4/5 = 0.8

cosinus insidias

Munus cosinum scriptum est y = cos (x). Aliquam lacinia purus dicitur cosinus undam et omnino sic videtur;

Trigonometrica munus: Cosme anguli (cos)

Cosmum undam - periodicum munus cum principalis tempus T = 2π.

Cosme Properties

Infra in forma tabulari sunt principales proprietates cosini cum formulis:

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» data-order=»Trigonometrica munus: Cosme anguli (cos)«>Trigonometrica munus: Cosme anguli (cos)Trigonometrica munus: Cosme anguli (cos)

» data-order=»Trigonometrica munus: Cosme anguli (cos)«>Trigonometrica munus: Cosme anguli (cos)Trigonometrica munus: Cosme anguli (cos)

» data-order=»Trigonometrica munus: Cosme anguli (cos)«>Trigonometrica munus: Cosme anguli (cos)Trigonometrica munus: Cosme anguli (cos)

Propertyformulae
symmetriasymmetriaTrigonometrica Pythagorica identitatisCosma duplicis anguliCosme angulorum summaeCosmus anguli differentiaeSumma cosinorum
cosinus differentia
Product cosines
Productus cosinus et sine
cosinus derivativaeCosmus integralisE. formulaeратная к косинусу функция

– то обратная к косинусу функция x, при -1≤x≤1.

Если косинус у deducis х (sin y = x), значит арккосинус x quod у:

arccos x = cos-1 x = y

For example:

arccos 1 = cos-1 1 = 0° (0 рад)

аблица косинусов

° 180π-1
° 1505p/6° 1353p/4° 1202p/3-1 / 2
° 90/ 20
° 60/ 31/2
° 45/ 4° 30/ 6° 001
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