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Populaire Word Problems >

cosh(9) :Enter a number:

Solution

cosh (9)

Solution

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

+1

Décimale

4051.54202 \dots

étapes des solutions

cosh (9)

Use the Hyperbolic identity:

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}}

Exemples populaires

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