New Gelfond-Type Transcendental Numbers

R. M. Chaphalkar, S. G. Hwang, C. H. Lee +1

It is well known that value at a non-zero algebraic number of each of the functions $e^x,\ln x,\sin x,\cos x,\tan x,\csc x,\sec x,\cot x,\sinh x,$ $\cosh x,$ $\tanh x,$…