# arccos

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Related to arccos: Arccosine
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• noun

## Synonyms for arccos

### the inverse function of the cosine

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References in periodicals archive ?
lt;BGolf app Arccos Driver uses technology from the Newcastle-based shinobicontrols
Coefficient [gamma] is calculated using different functions (polynomials, power functions, sinus, cosine, tangent, cotangent, logarithm, exponent, arcsin, arccos, arctan or arcctg, also inverse functions) and choice of function is connected with initial requirements and curve specifications.
We first note that arcsin(-z) = -arcsin(z) and arcsin(z) = arcsin(z), and similarly for arccos, so we had to analyze these formulas for only one quadrant.
t](x[direct sum]r)) = cos(t arccos(cos(s arccos x[direct sum]r))) (36)
i arccos a], where 0 [less than or equal to] a [less than or equal to] 1, equals the circle of center 1/2 and radius 1/2, because
where the subscript t indicates the use of arctan instead of arccos.
d] are contained in the 2 arccos (1/d)-wedge whose axis is r, as required.
For numerical computations the expressions [phi] = ACOS(x/r) if z[less than or equal to]0 and [phi] = 2[pi]-ACOS(x/r) if z[less than or equal to]0 must be used, where ACOS(x/r) is the principal value of arccos (x/r).
In the following let [beta]= arccos ([zeta]1/[square root of [[zeta].
c] (c) = P (cos [theta] [less than or equal to] c) = P([theta] [greater than or equal to] arccos c) = 1 - P ([theta] [less than or equal to] arccos c) = 1 - [F.
2] - 3q]sin([theta]/3 [+ or -] [pi]/6))/3, where [theta] = arccos T, T = (2([p.
Log(q) = ln [absolute value of q] + arccos (Re(q)/[absolute value of q]) Im(q)/[absolute value of (q)].
where k = r/R (0 [less than or equal to] k [less than or equal to] 1) and arccos (*) is the inverse cosine function.
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