Calculatrice cosinus

Cosinus pour certains angles, il est possible de trouver des valeurs exactes, tandis que pour d’autres, il est difficile de déterminer un chiffre exact et seule une valeur approximative peut être déduite.

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Trouver la magnitude

Données initiales

X=
A=

Table des cosinus de 0 à 90 degrés

 0° à 15°16° à 31°32° à 45°
cos(0°) = 1cos(16°) = 0.961262cos(32°) = 0.848048
cos(1°) = 0.999848cos(17°) = 0.956305cos(33°) = 0.838671
cos(2°) = 0.999391cos(18°) = 0.951057cos(34°) = 0.829038
cos(3°) = 0.99863cos(19°) = 0.945519cos(35°) = 0.819152
cos(4°) = 0.997564cos(20°) = 0.939693cos(36°) = 0.809017
cos(5°) = 0.996195cos(21°) = 0.93358cos(37°) = 0.798636
cos(6°) = 0.994522cos(22°) = 0.927184cos(38°) = 0.788011
cos(7°) = 0.992546cos(23°) = 0.920505cos(39°) = 0.777146
cos(8°) = 0.990268cos(24°) = 0.913545cos(40°) = 0.766044
cos(9°) = 0.987688cos(25°) = 0.906308cos(41°) = 0.75471
cos(10°) = 0.984808cos(26°) = 0.898794cos(42°) = 0.743145
cos(11°) = 0.981627cos(27°) = 0.891007cos(43°) = 0.731354
cos(12°) = 0.978148cos(28°) = 0.882948cos(44°) = 0.71934
cos(13°) = 0.97437cos(29°) = 0.87462cos(45°) = 0.707107
cos(14°) = 0.970296cos(30°) = 0.866025 
cos(15°) = 0.965926cos(31°) = 0.857167 
46° à 60°61° à 75°76° à 90°
cos(46°) = 0.694658cos(61°) = 0.48481cos(76°) = 0.241922
cos(47°) = 0.681998cos(62°) = 0.469472cos(77°) = 0.224951
cos(48°) = 0.669131cos(63°) = 0.45399cos(78°) = 0.207912
cos(49°) = 0.656059cos(64°) = 0.438371cos(79°) = 0.190809
cos(50°) = 0.642788cos(65°) = 0.422618cos(80°) = 0.173648
cos(51°) = 0.62932cos(66°) = 0.406737cos(81°) = 0.156434
cos(52°) = 0.615661cos(67°) = 0.390731cos(82°) = 0.139173
cos(53°) = 0.601815cos(68°) = 0.374607cos(83°) = 0.121869
cos(54°) = 0.587785cos(69°) = 0.358368cos(84°) = 0.104528
cos(55°) = 0.573576cos(70°) = 0.34202cos(85°) = 0.087156
cos(56°) = 0.559193cos(71°) = 0.325568cos(86°) = 0.069756
cos(57°) = 0.544639cos(72°) = 0.309017cos(87°) = 0.052336
cos(58°) = 0.529919cos(73°) = 0.292372cos(88°) = 0.034899
cos(59°) = 0.515038cos(74°) = 0.275637cos(89°) = 0.017452
cos(60°) = 0.5cos(75°) = 0.258819cos(90°) = 0