1
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| 2 2
| 2 cosh (1) sinh (1) cosh(1)*sinh(1)
| cosh (x) dx = -------- - -------- + ---------------
| 2 2 2
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0
$${{e^ {- 2 }\,\left(e^4+4\,e^2-1\right)}\over{8}}$$
Ответ (Неопределённый)
[src] /
| 2 2
| 2 x*cosh (x) cosh(x)*sinh(x) x*sinh (x)
| cosh (x) dx = C + ---------- + --------------- - ----------
| 2 2 2
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$${{{{e^{2\,x}}\over{2}}-{{e^ {- 2\,x }}\over{2}}+2\,x}\over{4}}$$