How to calculate this values manually.
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a=7;b=cos(a),b=cosh(a)
b =
0.7539
b =
548.3170
1 个评论
Ion Stefanache
2021-11-19
maybe can use one approximation arraund x0=a=7 using Taylor series:
https://en.wikipedia.org/wiki/Taylor_series
回答（1 个）
Akihumi
2020-5-7
0 个投票
Why not just refer to the documentations of the functions at:
You can see the formula in More About section.
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2021-11-19
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