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On the numerical values of the roots of the equation cosx = x

Published online by Cambridge University Press:  20 January 2009

T. H. Miller
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The angles which satisfy the equation

x=cosx,

occur in the solution of certain problems in analytical geometry.

It is easy to show that one value of the angle is coscoscos…cos 1, when the cosine is taken successively to infinity.

Type
Research Article
Information
Proceedings of the Edinburgh Mathematical Society , Volume 9 , February 1890 , pp. 80 - 83
Copyright
Copyright © Edinburgh Mathematical Society 1890