COSH函数返回数字的双曲余弦值。
COSH (number)
Argument | 描述 | Required/Optional |
---|---|---|
Number | Any real number for which you want to find the hyperbolic cosine. | Required |
双曲余弦的公式为-
$$COSH\left(z\right)=\frac {e ^ 2 + e ^ {-2}} {2} $$
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