Mosebetsi oa trigonometric: Cosine ea angle (cos)
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Tlhaloso

Cosine ea angle acute α (COS α) ke karo-karolelano ea leoto le haufi (b) ho hypotenuse (c) kgutlotharong e nepahetseng.

cos α = b / c

Mosebetsi oa trigonometric: Cosine ea angle (cos)

Ka mohlala:

b = 4

c = 5

cos α = b / c = 4/5 = 0.8

morero oa cosine

Mosebetsi oa cosine o ngotsoe joalo ka y = cos (x). Kerafo e bitsoa leqhubu la cosine 'me ka kakaretso e shebahala tjena:

Mosebetsi oa trigonometric: Cosine ea angle (cos)

Cosine wave - ts'ebetso ea nako le nako e nang le nako e kholo T = 2π.

Cosine Properties

Ka tlase ka mokhoa oa tabular ke thepa ea mantlha ea cosine e nang le liforomo:

»taelo ya data=»Mosebetsi oa trigonometric: Cosine ea angle (cos)«>Mosebetsi oa trigonometric: Cosine ea angle (cos)Mosebetsi oa trigonometric: Cosine ea angle (cos)

»taelo ya data=»Mosebetsi oa trigonometric: Cosine ea angle (cos)«>Mosebetsi oa trigonometric: Cosine ea angle (cos)Mosebetsi oa trigonometric: Cosine ea angle (cos)

»taelo ya data=»Mosebetsi oa trigonometric: Cosine ea angle (cos)«>Mosebetsi oa trigonometric: Cosine ea angle (cos)Mosebetsi oa trigonometric: Cosine ea angle (cos)

»taelo ya data=»Mosebetsi oa trigonometric: Cosine ea angle (cos)«>Mosebetsi oa trigonometric: Cosine ea angle (cos)Mosebetsi oa trigonometric: Cosine ea angle (cos)

Propertyriteloang
setshwanisetshwaniBoitsebiso ba trigonometric ea PythagoreanCosine ea mahlakore a mabeliCosine ea kakaretso ea li-anglesCosine of angle differenceKakaretso ea cosines
phapang ea cosine
Sehlahisoa sa cosines
Sehlahisoa sa cosine le sine
motsoako oa cosineCosine bohlokoaMokhoa oa EulerОбратная к косинусу функция

– это обратная к косинусу функция x, ph -1≤x≤1.

Если косинус у e lekana х (cos y = x), значит арккосинус x e lekana le у:

arccos x = cos-1 x = y

Ka mohlala:

arccos 1 = cos-1 1 = 0° (0 рад)

Таблица косинусов

180 °π-1
150 °5p / 6135 °3p / 4120 °2p / 3-1 / 2
90 °Π / 20
60 °Π / 31/2
45 °Π / 430 °Π / 60 °01
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