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Trigonometric identities and functional equations

Published online by Cambridge University Press:  01 August 2016

Pl. Kannappan
Pl. Kannappan*
Affiliation:
Department of Pure Mathematics, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
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Extract

Dedicated to Professor S. Kurepa on the occasion of his 73rd birthday. We are familiar with many trigonometric formulas (identities)

leading to five more identities

and so on, where #x211D; is the set of reals.

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Articles
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The Mathematical Gazette , Volume 88 , Issue 512 , July 2004, pp. 249 - 257
Copyright
Copyright © The Mathematical Association 2004

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References

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