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Popolare Word Problems >

cosh(9) :Enter a number:

Soluzione

cosh (9)

Soluzione

\frac{e ^{18} + 1}{2 e ^{9}}

+1

Decimale

4051.54202 \dots

Fasi della soluzione

cosh (9)

Usa l'identità iperbolica:

cosh (x) = \frac{e ^{x} + e ^{- x}}{2}

= \frac{e ^{9} + e ^{- 9}}{2}

\frac{e ^{9} + e ^{- 9}}{2} = \frac{e ^{18} + 1}{2 e ^{9}}

= \frac{e ^{18} + 1}{2 e ^{9}}

Esempi popolari

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