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Arc function

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arcus function

A function inverse to a trigonometric function, i.e. one of the functions: arcsine, arccosine, arctangent, arccotangent, arcsecant, arccosecant. Cf. Inverse trigonometric functions.

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References

[1] J.A. Stegun, "Handbook of mathematical functions" , Appl. Math. Ser. , 55 , Nat. Bur. Standards (1964) (Dover reprint, 1972)
How to Cite This Entry:
Arc function. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Arc_function&oldid=18952