3.576 \(\int \cosh ^2(x) \, dx\)

Optimal. Leaf size=14 \[ \frac {x}{2}+\frac {1}{2} \sinh (x) \cosh (x) \]

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Rubi [A]  time = 0.01, antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {2635, 8} \[ \frac {x}{2}+\frac {1}{2} \sinh (x) \cosh (x) \]

Antiderivative was successfully verified.

[In]

Int[Cosh[x]^2,x]

[Out]

x/2 + (Cosh[x]*Sinh[x])/2

Rule 8

Int[a_, x_Symbol] :> Simp[a*x, x] /; FreeQ[a, x]

Rule 2635

Int[((b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> -Simp[(b*Cos[c + d*x]*(b*Sin[c + d*x])^(n - 1))/(d*n),
x] + Dist[(b^2*(n - 1))/n, Int[(b*Sin[c + d*x])^(n - 2), x], x] /; FreeQ[{b, c, d}, x] && GtQ[n, 1] && Integer
Q[2*n]

Rubi steps

\begin {align*} \int \cosh ^2(x) \, dx &=\frac {1}{2} \cosh (x) \sinh (x)+\frac {\int 1 \, dx}{2}\\ &=\frac {x}{2}+\frac {1}{2} \cosh (x) \sinh (x)\\ \end {align*}

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Mathematica [A]  time = 0.00, size = 14, normalized size = 1.00 \[ \frac {x}{2}+\frac {1}{4} \sinh (2 x) \]

Antiderivative was successfully verified.

[In]

Integrate[Cosh[x]^2,x]

[Out]

x/2 + Sinh[2*x]/4

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IntegrateAlgebraic [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \cosh ^2(x) \, dx \]

Verification is Not applicable to the result.

[In]

IntegrateAlgebraic[Cosh[x]^2,x]

[Out]

Could not integrate

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fricas [A]  time = 1.12, size = 10, normalized size = 0.71 \[ \frac {1}{2} \, \cosh \relax (x) \sinh \relax (x) + \frac {1}{2} \, x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cosh(x)^2,x, algorithm="fricas")

[Out]

1/2*cosh(x)*sinh(x) + 1/2*x

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giac [B]  time = 0.61, size = 24, normalized size = 1.71 \[ -\frac {1}{8} \, {\left (2 \, e^{\left (2 \, x\right )} + 1\right )} e^{\left (-2 \, x\right )} + \frac {1}{2} \, x + \frac {1}{8} \, e^{\left (2 \, x\right )} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cosh(x)^2,x, algorithm="giac")

[Out]

-1/8*(2*e^(2*x) + 1)*e^(-2*x) + 1/2*x + 1/8*e^(2*x)

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maple [A]  time = 0.03, size = 11, normalized size = 0.79

method	result	size
default	\(\frac {x}{2}+\frac {\cosh \relax (x ) \sinh \relax (x )}{2}\)	\(11\)
risch	\(\frac {x}{2}+\frac {{\mathrm e}^{2 x}}{8}-\frac {{\mathrm e}^{-2 x}}{8}\)	\(17\)
meijerg	error in int/gbinthm/express: improper op or subscript selector\	N/A

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(cosh(x)^2,x,method=_RETURNVERBOSE)

[Out]

1/2*x+1/2*cosh(x)*sinh(x)

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maxima [A]  time = 0.43, size = 16, normalized size = 1.14 \[ \frac {1}{2} \, x + \frac {1}{8} \, e^{\left (2 \, x\right )} - \frac {1}{8} \, e^{\left (-2 \, x\right )} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cosh(x)^2,x, algorithm="maxima")

[Out]

1/2*x + 1/8*e^(2*x) - 1/8*e^(-2*x)

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mupad [B]  time = 0.03, size = 10, normalized size = 0.71 \[ \frac {x}{2}+\frac {\mathrm {sinh}\left (2\,x\right )}{4} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(cosh(x)^2,x)

[Out]

x/2 + sinh(2*x)/4

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sympy [B]  time = 0.20, size = 24, normalized size = 1.71 \[ - \frac {x \sinh ^{2}{\relax (x )}}{2} + \frac {x \cosh ^{2}{\relax (x )}}{2} + \frac {\sinh {\relax (x )} \cosh {\relax (x )}}{2} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cosh(x)**2,x)

[Out]

-x*sinh(x)**2/2 + x*cosh(x)**2/2 + sinh(x)*cosh(x)/2

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