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608 bytes, as of the version from 2026-11-11 08:15 (current). Recorded here, not run.
Source inspected through web reader on 2026-11-11:
https://dlmf.nist.gov/4.36, equations 4.36.1 and 4.36.2.
Direct urllib download returned an HTTP error; this file records the actual
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4.36.1: sinh(z) = z product_{n=1}^infinity (1+z^2/(n^2 pi^2)).
4.36.2: cosh(z) = product_{n=1}^infinity (1+4z^2/((2n-1)^2 pi^2)).
The web reader displays DLMF release 1.2.8, 2026-09-15. These products imply
the coefficients and tail bounds derived in computation.md. The coefficient
for the cosh kernel is (4^j-1) times the coefficient of the sinh kernel.