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Arccosine Definition. In a right-angled triangle, the cosine of an angle (θ) is the ratio of its adjacent side to the hypotenuse. i.e., cos θ = (adjacent side) / (hypotenuse). Then by the definition of arccosine, θ = cos -1 [ (adjacent side) / (hypotenuse) ] .
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The $\arccos$ function is a compositional inverse. The secant function is a multiplicative inverse to the cosine function, which is defined off the zeroes of the cosine function. Share
Cyklometrická funkce arccosinus. Funkce arccos (x) (na kalkulačkách značena cos -I) je inverzní funkcí ke goniometrické funkci cos (x).
In mathematics, the inverse trigonometric functions (occasionally also called antitrigonometric, [ 1 ]cyclometric, [ 2 ] or arcus functions [ 3 ]) are the inverse functions of the trigonometric functions, under suitably restricted domains.
The functions cosine and arccosine are inverses. x x. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
