3.173 \(\int \frac {\tan ^4(a+b \log (c x^n))}{x} \, dx\)

Optimal. Leaf size=45 \[ \frac {\tan ^3\left (a+b \log \left (c x^n\right )\right )}{3 b n}-\frac {\tan \left (a+b \log \left (c x^n\right )\right )}{b n}+\log (x) \]

[Out]

ln(x)-tan(a+b*ln(c*x^n))/b/n+1/3*tan(a+b*ln(c*x^n))^3/b/n

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Rubi [A]  time = 0.04, antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {3473, 8} \[ \frac {\tan ^3\left (a+b \log \left (c x^n\right )\right )}{3 b n}-\frac {\tan \left (a+b \log \left (c x^n\right )\right )}{b n}+\log (x) \]

Antiderivative was successfully verified.

[In]

Int[Tan[a + b*Log[c*x^n]]^4/x,x]

[Out]

Log[x] - Tan[a + b*Log[c*x^n]]/(b*n) + Tan[a + b*Log[c*x^n]]^3/(3*b*n)

Rule 8

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

Rule 3473

Int[((b_.)*tan[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Simp[(b*(b*Tan[c + d*x])^(n - 1))/(d*(n - 1)), x] - Dis
t[b^2, Int[(b*Tan[c + d*x])^(n - 2), x], x] /; FreeQ[{b, c, d}, x] && GtQ[n, 1]

Rubi steps

\begin {align*} \int \frac {\tan ^4\left (a+b \log \left (c x^n\right )\right )}{x} \, dx &=\frac {\operatorname {Subst}\left (\int \tan ^4(a+b x) \, dx,x,\log \left (c x^n\right )\right )}{n}\\ &=\frac {\tan ^3\left (a+b \log \left (c x^n\right )\right )}{3 b n}-\frac {\operatorname {Subst}\left (\int \tan ^2(a+b x) \, dx,x,\log \left (c x^n\right )\right )}{n}\\ &=-\frac {\tan \left (a+b \log \left (c x^n\right )\right )}{b n}+\frac {\tan ^3\left (a+b \log \left (c x^n\right )\right )}{3 b n}+\frac {\operatorname {Subst}\left (\int 1 \, dx,x,\log \left (c x^n\right )\right )}{n}\\ &=\log (x)-\frac {\tan \left (a+b \log \left (c x^n\right )\right )}{b n}+\frac {\tan ^3\left (a+b \log \left (c x^n\right )\right )}{3 b n}\\ \end {align*}

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Mathematica [A]  time = 0.09, size = 62, normalized size = 1.38 \[ \frac {\tan ^{-1}\left (\tan \left (a+b \log \left (c x^n\right )\right )\right )}{b n}+\frac {\tan ^3\left (a+b \log \left (c x^n\right )\right )}{3 b n}-\frac {\tan \left (a+b \log \left (c x^n\right )\right )}{b n} \]

Antiderivative was successfully verified.

[In]

Integrate[Tan[a + b*Log[c*x^n]]^4/x,x]

[Out]

ArcTan[Tan[a + b*Log[c*x^n]]]/(b*n) - Tan[a + b*Log[c*x^n]]/(b*n) + Tan[a + b*Log[c*x^n]]^3/(3*b*n)

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fricas [B]  time = 0.52, size = 140, normalized size = 3.11 \[ \frac {3 \, b n \cos \left (2 \, b n \log \relax (x) + 2 \, b \log \relax (c) + 2 \, a\right )^{2} \log \relax (x) + 6 \, b n \cos \left (2 \, b n \log \relax (x) + 2 \, b \log \relax (c) + 2 \, a\right ) \log \relax (x) + 3 \, b n \log \relax (x) - 2 \, {\left (2 \, \cos \left (2 \, b n \log \relax (x) + 2 \, b \log \relax (c) + 2 \, a\right ) + 1\right )} \sin \left (2 \, b n \log \relax (x) + 2 \, b \log \relax (c) + 2 \, a\right )}{3 \, {\left (b n \cos \left (2 \, b n \log \relax (x) + 2 \, b \log \relax (c) + 2 \, a\right )^{2} + 2 \, b n \cos \left (2 \, b n \log \relax (x) + 2 \, b \log \relax (c) + 2 \, a\right ) + b n\right )}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(a+b*log(c*x^n))^4/x,x, algorithm="fricas")

[Out]

1/3*(3*b*n*cos(2*b*n*log(x) + 2*b*log(c) + 2*a)^2*log(x) + 6*b*n*cos(2*b*n*log(x) + 2*b*log(c) + 2*a)*log(x) +
3*b*n*log(x) - 2*(2*cos(2*b*n*log(x) + 2*b*log(c) + 2*a) + 1)*sin(2*b*n*log(x) + 2*b*log(c) + 2*a))/(b*n*cos(
2*b*n*log(x) + 2*b*log(c) + 2*a)^2 + 2*b*n*cos(2*b*n*log(x) + 2*b*log(c) + 2*a) + b*n)

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giac [F(-1)]  time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(a+b*log(c*x^n))^4/x,x, algorithm="giac")

[Out]

Timed out

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maple [A]  time = 0.01, size = 61, normalized size = 1.36 \[ \frac {\tan ^{3}\left (a +b \ln \left (c \,x^{n}\right )\right )}{3 b n}-\frac {\tan \left (a +b \ln \left (c \,x^{n}\right )\right )}{b n}+\frac {\arctan \left (\tan \left (a +b \ln \left (c \,x^{n}\right )\right )\right )}{n b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(tan(a+b*ln(c*x^n))^4/x,x)

[Out]

1/3*tan(a+b*ln(c*x^n))^3/b/n-tan(a+b*ln(c*x^n))/b/n+1/n/b*arctan(tan(a+b*ln(c*x^n)))

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maxima [B]  time = 0.43, size = 2171, normalized size = 48.24 \[ \text {result too large to display} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(a+b*log(c*x^n))^4/x,x, algorithm="maxima")

[Out]

1/3*(3*(b*cos(6*b*log(c))^2 + b*sin(6*b*log(c))^2)*n*cos(6*b*log(x^n) + 6*a)^2*log(x) + 27*(b*cos(4*b*log(c))^
2 + b*sin(4*b*log(c))^2)*n*cos(4*b*log(x^n) + 4*a)^2*log(x) + 27*(b*cos(2*b*log(c))^2 + b*sin(2*b*log(c))^2)*n
*cos(2*b*log(x^n) + 2*a)^2*log(x) + 3*(b*cos(6*b*log(c))^2 + b*sin(6*b*log(c))^2)*n*log(x)*sin(6*b*log(x^n) +
6*a)^2 + 27*(b*cos(4*b*log(c))^2 + b*sin(4*b*log(c))^2)*n*log(x)*sin(4*b*log(x^n) + 4*a)^2 + 27*(b*cos(2*b*log
(c))^2 + b*sin(2*b*log(c))^2)*n*log(x)*sin(2*b*log(x^n) + 2*a)^2 + 3*b*n*log(x) + 2*(3*b*n*cos(6*b*log(c))*log
(x) + 3*(3*(b*cos(6*b*log(c))*cos(4*b*log(c)) + b*sin(6*b*log(c))*sin(4*b*log(c)))*n*log(x) - 2*cos(4*b*log(c)
)*sin(6*b*log(c)) + 2*cos(6*b*log(c))*sin(4*b*log(c)))*cos(4*b*log(x^n) + 4*a) + 3*(3*(b*cos(6*b*log(c))*cos(2
*b*log(c)) + b*sin(6*b*log(c))*sin(2*b*log(c)))*n*log(x) - 2*cos(2*b*log(c))*sin(6*b*log(c)) + 2*cos(6*b*log(c
))*sin(2*b*log(c)))*cos(2*b*log(x^n) + 2*a) + 3*(3*(b*cos(4*b*log(c))*sin(6*b*log(c)) - b*cos(6*b*log(c))*sin(
4*b*log(c)))*n*log(x) + 2*cos(6*b*log(c))*cos(4*b*log(c)) + 2*sin(6*b*log(c))*sin(4*b*log(c)))*sin(4*b*log(x^n
) + 4*a) + 3*(3*(b*cos(2*b*log(c))*sin(6*b*log(c)) - b*cos(6*b*log(c))*sin(2*b*log(c)))*n*log(x) + 2*cos(6*b*l
og(c))*cos(2*b*log(c)) + 2*sin(6*b*log(c))*sin(2*b*log(c)))*sin(2*b*log(x^n) + 2*a) - 4*sin(6*b*log(c)))*cos(6
*b*log(x^n) + 6*a) + 6*(3*b*n*cos(4*b*log(c))*log(x) + 9*(b*cos(4*b*log(c))*cos(2*b*log(c)) + b*sin(4*b*log(c)
)*sin(2*b*log(c)))*n*cos(2*b*log(x^n) + 2*a)*log(x) + 9*(b*cos(2*b*log(c))*sin(4*b*log(c)) - b*cos(4*b*log(c))
*sin(2*b*log(c)))*n*log(x)*sin(2*b*log(x^n) + 2*a) - 2*sin(4*b*log(c)))*cos(4*b*log(x^n) + 4*a) + 6*(3*b*n*cos
(2*b*log(c))*log(x) - 2*sin(2*b*log(c)))*cos(2*b*log(x^n) + 2*a) - 2*(3*b*n*log(x)*sin(6*b*log(c)) + 3*(3*(b*c
os(4*b*log(c))*sin(6*b*log(c)) - b*cos(6*b*log(c))*sin(4*b*log(c)))*n*log(x) + 2*cos(6*b*log(c))*cos(4*b*log(c
)) + 2*sin(6*b*log(c))*sin(4*b*log(c)))*cos(4*b*log(x^n) + 4*a) + 3*(3*(b*cos(2*b*log(c))*sin(6*b*log(c)) - b*
cos(6*b*log(c))*sin(2*b*log(c)))*n*log(x) + 2*cos(6*b*log(c))*cos(2*b*log(c)) + 2*sin(6*b*log(c))*sin(2*b*log(
c)))*cos(2*b*log(x^n) + 2*a) - 3*(3*(b*cos(6*b*log(c))*cos(4*b*log(c)) + b*sin(6*b*log(c))*sin(4*b*log(c)))*n*
log(x) - 2*cos(4*b*log(c))*sin(6*b*log(c)) + 2*cos(6*b*log(c))*sin(4*b*log(c)))*sin(4*b*log(x^n) + 4*a) - 3*(3
*(b*cos(6*b*log(c))*cos(2*b*log(c)) + b*sin(6*b*log(c))*sin(2*b*log(c)))*n*log(x) - 2*cos(2*b*log(c))*sin(6*b*
log(c)) + 2*cos(6*b*log(c))*sin(2*b*log(c)))*sin(2*b*log(x^n) + 2*a) + 4*cos(6*b*log(c)))*sin(6*b*log(x^n) + 6
*a) - 6*(9*(b*cos(2*b*log(c))*sin(4*b*log(c)) - b*cos(4*b*log(c))*sin(2*b*log(c)))*n*cos(2*b*log(x^n) + 2*a)*l
og(x) + 3*b*n*log(x)*sin(4*b*log(c)) - 9*(b*cos(4*b*log(c))*cos(2*b*log(c)) + b*sin(4*b*log(c))*sin(2*b*log(c)
))*n*log(x)*sin(2*b*log(x^n) + 2*a) + 2*cos(4*b*log(c)))*sin(4*b*log(x^n) + 4*a) - 6*(3*b*n*log(x)*sin(2*b*log
(c)) + 2*cos(2*b*log(c)))*sin(2*b*log(x^n) + 2*a))/((b*cos(6*b*log(c))^2 + b*sin(6*b*log(c))^2)*n*cos(6*b*log(
x^n) + 6*a)^2 + 9*(b*cos(4*b*log(c))^2 + b*sin(4*b*log(c))^2)*n*cos(4*b*log(x^n) + 4*a)^2 + 6*b*n*cos(2*b*log(
c))*cos(2*b*log(x^n) + 2*a) + 9*(b*cos(2*b*log(c))^2 + b*sin(2*b*log(c))^2)*n*cos(2*b*log(x^n) + 2*a)^2 + (b*c
os(6*b*log(c))^2 + b*sin(6*b*log(c))^2)*n*sin(6*b*log(x^n) + 6*a)^2 + 9*(b*cos(4*b*log(c))^2 + b*sin(4*b*log(c
))^2)*n*sin(4*b*log(x^n) + 4*a)^2 - 6*b*n*sin(2*b*log(c))*sin(2*b*log(x^n) + 2*a) + 9*(b*cos(2*b*log(c))^2 + b
*sin(2*b*log(c))^2)*n*sin(2*b*log(x^n) + 2*a)^2 + b*n + 2*(b*n*cos(6*b*log(c)) + 3*(b*cos(6*b*log(c))*cos(4*b*
log(c)) + b*sin(6*b*log(c))*sin(4*b*log(c)))*n*cos(4*b*log(x^n) + 4*a) + 3*(b*cos(6*b*log(c))*cos(2*b*log(c))
+ b*sin(6*b*log(c))*sin(2*b*log(c)))*n*cos(2*b*log(x^n) + 2*a) + 3*(b*cos(4*b*log(c))*sin(6*b*log(c)) - b*cos(
6*b*log(c))*sin(4*b*log(c)))*n*sin(4*b*log(x^n) + 4*a) + 3*(b*cos(2*b*log(c))*sin(6*b*log(c)) - b*cos(6*b*log(
c))*sin(2*b*log(c)))*n*sin(2*b*log(x^n) + 2*a))*cos(6*b*log(x^n) + 6*a) + 6*(b*n*cos(4*b*log(c)) + 3*(b*cos(4*
b*log(c))*cos(2*b*log(c)) + b*sin(4*b*log(c))*sin(2*b*log(c)))*n*cos(2*b*log(x^n) + 2*a) + 3*(b*cos(2*b*log(c)
)*sin(4*b*log(c)) - b*cos(4*b*log(c))*sin(2*b*log(c)))*n*sin(2*b*log(x^n) + 2*a))*cos(4*b*log(x^n) + 4*a) - 2*
(3*(b*cos(4*b*log(c))*sin(6*b*log(c)) - b*cos(6*b*log(c))*sin(4*b*log(c)))*n*cos(4*b*log(x^n) + 4*a) + 3*(b*co
s(2*b*log(c))*sin(6*b*log(c)) - b*cos(6*b*log(c))*sin(2*b*log(c)))*n*cos(2*b*log(x^n) + 2*a) + b*n*sin(6*b*log
(c)) - 3*(b*cos(6*b*log(c))*cos(4*b*log(c)) + b*sin(6*b*log(c))*sin(4*b*log(c)))*n*sin(4*b*log(x^n) + 4*a) - 3
*(b*cos(6*b*log(c))*cos(2*b*log(c)) + b*sin(6*b*log(c))*sin(2*b*log(c)))*n*sin(2*b*log(x^n) + 2*a))*sin(6*b*lo
g(x^n) + 6*a) - 6*(3*(b*cos(2*b*log(c))*sin(4*b*log(c)) - b*cos(4*b*log(c))*sin(2*b*log(c)))*n*cos(2*b*log(x^n
) + 2*a) + b*n*sin(4*b*log(c)) - 3*(b*cos(4*b*log(c))*cos(2*b*log(c)) + b*sin(4*b*log(c))*sin(2*b*log(c)))*n*s
in(2*b*log(x^n) + 2*a))*sin(4*b*log(x^n) + 4*a))

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mupad [B]  time = 8.04, size = 183, normalized size = 4.07 \[ \ln \relax (x)-\frac {\frac {4{}\mathrm {i}}{3\,b\,n}+\frac {{\mathrm {e}}^{a\,4{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,4{}\mathrm {i}}\,4{}\mathrm {i}}{3\,b\,n}}{3\,{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,2{}\mathrm {i}}+3\,{\mathrm {e}}^{a\,4{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,4{}\mathrm {i}}+{\mathrm {e}}^{a\,6{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,6{}\mathrm {i}}+1}-\frac {4{}\mathrm {i}}{3\,b\,n\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,2{}\mathrm {i}}+1\right )}-\frac {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,2{}\mathrm {i}}\,4{}\mathrm {i}}{3\,b\,n\,\left (2\,{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,2{}\mathrm {i}}+{\mathrm {e}}^{a\,4{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,4{}\mathrm {i}}+1\right )} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(tan(a + b*log(c*x^n))^4/x,x)

[Out]

log(x) - (4i/(3*b*n) + (exp(a*4i)*(c*x^n)^(b*4i)*4i)/(3*b*n))/(3*exp(a*2i)*(c*x^n)^(b*2i) + 3*exp(a*4i)*(c*x^n
)^(b*4i) + exp(a*6i)*(c*x^n)^(b*6i) + 1) - 4i/(3*b*n*(exp(a*2i)*(c*x^n)^(b*2i) + 1)) - (exp(a*2i)*(c*x^n)^(b*2
i)*4i)/(3*b*n*(2*exp(a*2i)*(c*x^n)^(b*2i) + exp(a*4i)*(c*x^n)^(b*4i) + 1))

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sympy [A]  time = 9.30, size = 66, normalized size = 1.47 \[ \begin {cases} \log {\relax (x )} \tan ^{4}{\relax (a )} & \text {for}\: b = 0 \wedge \left (b = 0 \vee n = 0\right ) \\\log {\relax (x )} \tan ^{4}{\left (a + b \log {\relax (c )} \right )} & \text {for}\: n = 0 \\\log {\relax (x )} + \frac {\tan ^{3}{\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{3 b n} - \frac {\tan {\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{b n} & \text {otherwise} \end {cases} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(a+b*ln(c*x**n))**4/x,x)

[Out]

Piecewise((log(x)*tan(a)**4, Eq(b, 0) & (Eq(b, 0) | Eq(n, 0))), (log(x)*tan(a + b*log(c))**4, Eq(n, 0)), (log(
x) + tan(a + b*n*log(x) + b*log(c))**3/(3*b*n) - tan(a + b*n*log(x) + b*log(c))/(b*n), True))

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