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On Two Functional Equations for the Trigonometric Functions

Published online by Cambridge University Press:  20 November 2018

Hiroshi Haruki
Hiroshi Haruki*
Affiliation:
University of Waterloo, Waterloo, Ontario
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We consider the following cosine and sine functional equations:

(1)

(2)

where f is an entire function of a complex variable z and x, y are complex variables [1; 2; 3].

Information

Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 12 , Issue 3 , June 1969, pp. 281 - 286
Copyright
Copyright © Canadian Mathematical Society 1969

References

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3. Wilson, W. H., On certain related functional equations. Bull. Amer. Math. Soc. 26 (1919) 300–312.Google Scholar
4. Polya, G. and Szegö, G., Aufgaben und Eehrsatze ans der Analysis I. (Springer-Verlag, Berlin-Gottingen-Heidelberg 1954) 94.Google Scholar