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arccos (English)

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Definition (keystage 4)

An abbreviation for inverse cosine.
arccos(x) means the inverse cosine of x, i.e. the number whose cosine is x.
Occasionally acos(x) is used to mean the same thing.

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Relations

broader:: (en) Abbreviation
referenced:: (en) ∫√{a² − x²} dx; (en) arccos derivative; (en) arccos integral
see also:: (en) arcsin

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