3.1.62 \(\int \frac {1}{(a-a \sin ^2(x))^4} \, dx\) [62]

Optimal. Leaf size=37 \[ \frac {\tan (x)}{a^4}+\frac {\tan ^3(x)}{a^4}+\frac {3 \tan ^5(x)}{5 a^4}+\frac {\tan ^7(x)}{7 a^4} \]

[Out]

tan(x)/a^4+tan(x)^3/a^4+3/5*tan(x)^5/a^4+1/7*tan(x)^7/a^4

________________________________________________________________________________________

Rubi [A]
time = 0.02, antiderivative size = 37, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {3254, 3852} \begin {gather*} \frac {\tan ^7(x)}{7 a^4}+\frac {3 \tan ^5(x)}{5 a^4}+\frac {\tan ^3(x)}{a^4}+\frac {\tan (x)}{a^4} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(a - a*Sin[x]^2)^(-4),x]

[Out]

Tan[x]/a^4 + Tan[x]^3/a^4 + (3*Tan[x]^5)/(5*a^4) + Tan[x]^7/(7*a^4)

Rule 3254

Int[(u_.)*((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)]^2)^(p_), x_Symbol] :> Dist[a^p, Int[ActivateTrig[u*cos[e + f*x
]^(2*p)], x], x] /; FreeQ[{a, b, e, f, p}, x] && EqQ[a + b, 0] && IntegerQ[p]

Rule 3852

Int[csc[(c_.) + (d_.)*(x_)]^(n_), x_Symbol] :> Dist[-d^(-1), Subst[Int[ExpandIntegrand[(1 + x^2)^(n/2 - 1), x]
, x], x, Cot[c + d*x]], x] /; FreeQ[{c, d}, x] && IGtQ[n/2, 0]

Rubi steps

\begin {align*} \int \frac {1}{\left (a-a \sin ^2(x)\right )^4} \, dx &=\frac {\int \sec ^8(x) \, dx}{a^4}\\ &=-\frac {\text {Subst}\left (\int \left (1+3 x^2+3 x^4+x^6\right ) \, dx,x,-\tan (x)\right )}{a^4}\\ &=\frac {\tan (x)}{a^4}+\frac {\tan ^3(x)}{a^4}+\frac {3 \tan ^5(x)}{5 a^4}+\frac {\tan ^7(x)}{7 a^4}\\ \end {align*}

________________________________________________________________________________________

Mathematica [A]
time = 0.01, size = 41, normalized size = 1.11 \begin {gather*} \frac {\frac {16 \tan (x)}{35}+\frac {8}{35} \sec ^2(x) \tan (x)+\frac {6}{35} \sec ^4(x) \tan (x)+\frac {1}{7} \sec ^6(x) \tan (x)}{a^4} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(a - a*Sin[x]^2)^(-4),x]

[Out]

((16*Tan[x])/35 + (8*Sec[x]^2*Tan[x])/35 + (6*Sec[x]^4*Tan[x])/35 + (Sec[x]^6*Tan[x])/7)/a^4

________________________________________________________________________________________

Maple [A]
time = 0.18, size = 24, normalized size = 0.65

method	result	size
default	\(\frac {\frac {\left (\tan ^{7}\left (x \right )\right )}{7}+\frac {3 \left (\tan ^{5}\left (x \right )\right )}{5}+\tan ^{3}\left (x \right )+\tan \left (x \right )}{a^{4}}\)	\(24\)
risch	\(\frac {32 i \left (35 \,{\mathrm e}^{6 i x}+21 \,{\mathrm e}^{4 i x}+7 \,{\mathrm e}^{2 i x}+1\right )}{35 \left ({\mathrm e}^{2 i x}+1\right )^{7} a^{4}}\)	\(39\)
norman	\(\frac {-\frac {2 \tan \left (\frac {x}{2}\right )}{a}+\frac {4 \left (\tan ^{3}\left (\frac {x}{2}\right )\right )}{a}-\frac {86 \left (\tan ^{5}\left (\frac {x}{2}\right )\right )}{5 a}+\frac {424 \left (\tan ^{7}\left (\frac {x}{2}\right )\right )}{35 a}-\frac {86 \left (\tan ^{9}\left (\frac {x}{2}\right )\right )}{5 a}+\frac {4 \left (\tan ^{11}\left (\frac {x}{2}\right )\right )}{a}-\frac {2 \left (\tan ^{13}\left (\frac {x}{2}\right )\right )}{a}}{a^{3} \left (\tan ^{2}\left (\frac {x}{2}\right )-1\right )^{7}}\)	\(91\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(a-a*sin(x)^2)^4,x,method=_RETURNVERBOSE)

[Out]

1/a^4*(1/7*tan(x)^7+3/5*tan(x)^5+tan(x)^3+tan(x))

________________________________________________________________________________________

Maxima [A]
time = 0.30, size = 28, normalized size = 0.76 \begin {gather*} \frac {5 \, \tan \left (x\right )^{7} + 21 \, \tan \left (x\right )^{5} + 35 \, \tan \left (x\right )^{3} + 35 \, \tan \left (x\right )}{35 \, a^{4}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a-a*sin(x)^2)^4,x, algorithm="maxima")

[Out]

1/35*(5*tan(x)^7 + 21*tan(x)^5 + 35*tan(x)^3 + 35*tan(x))/a^4

________________________________________________________________________________________

Fricas [A]
time = 0.38, size = 31, normalized size = 0.84 \begin {gather*} \frac {{\left (16 \, \cos \left (x\right )^{6} + 8 \, \cos \left (x\right )^{4} + 6 \, \cos \left (x\right )^{2} + 5\right )} \sin \left (x\right )}{35 \, a^{4} \cos \left (x\right )^{7}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a-a*sin(x)^2)^4,x, algorithm="fricas")

[Out]

1/35*(16*cos(x)^6 + 8*cos(x)^4 + 6*cos(x)^2 + 5)*sin(x)/(a^4*cos(x)^7)

________________________________________________________________________________________

Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 675 vs. \(2 (36) = 72\).
time = 7.55, size = 675, normalized size = 18.24 \begin {gather*} - \frac {70 \tan ^{13}{\left (\frac {x}{2} \right )}}{35 a^{4} \tan ^{14}{\left (\frac {x}{2} \right )} - 245 a^{4} \tan ^{12}{\left (\frac {x}{2} \right )} + 735 a^{4} \tan ^{10}{\left (\frac {x}{2} \right )} - 1225 a^{4} \tan ^{8}{\left (\frac {x}{2} \right )} + 1225 a^{4} \tan ^{6}{\left (\frac {x}{2} \right )} - 735 a^{4} \tan ^{4}{\left (\frac {x}{2} \right )} + 245 a^{4} \tan ^{2}{\left (\frac {x}{2} \right )} - 35 a^{4}} + \frac {140 \tan ^{11}{\left (\frac {x}{2} \right )}}{35 a^{4} \tan ^{14}{\left (\frac {x}{2} \right )} - 245 a^{4} \tan ^{12}{\left (\frac {x}{2} \right )} + 735 a^{4} \tan ^{10}{\left (\frac {x}{2} \right )} - 1225 a^{4} \tan ^{8}{\left (\frac {x}{2} \right )} + 1225 a^{4} \tan ^{6}{\left (\frac {x}{2} \right )} - 735 a^{4} \tan ^{4}{\left (\frac {x}{2} \right )} + 245 a^{4} \tan ^{2}{\left (\frac {x}{2} \right )} - 35 a^{4}} - \frac {602 \tan ^{9}{\left (\frac {x}{2} \right )}}{35 a^{4} \tan ^{14}{\left (\frac {x}{2} \right )} - 245 a^{4} \tan ^{12}{\left (\frac {x}{2} \right )} + 735 a^{4} \tan ^{10}{\left (\frac {x}{2} \right )} - 1225 a^{4} \tan ^{8}{\left (\frac {x}{2} \right )} + 1225 a^{4} \tan ^{6}{\left (\frac {x}{2} \right )} - 735 a^{4} \tan ^{4}{\left (\frac {x}{2} \right )} + 245 a^{4} \tan ^{2}{\left (\frac {x}{2} \right )} - 35 a^{4}} + \frac {424 \tan ^{7}{\left (\frac {x}{2} \right )}}{35 a^{4} \tan ^{14}{\left (\frac {x}{2} \right )} - 245 a^{4} \tan ^{12}{\left (\frac {x}{2} \right )} + 735 a^{4} \tan ^{10}{\left (\frac {x}{2} \right )} - 1225 a^{4} \tan ^{8}{\left (\frac {x}{2} \right )} + 1225 a^{4} \tan ^{6}{\left (\frac {x}{2} \right )} - 735 a^{4} \tan ^{4}{\left (\frac {x}{2} \right )} + 245 a^{4} \tan ^{2}{\left (\frac {x}{2} \right )} - 35 a^{4}} - \frac {602 \tan ^{5}{\left (\frac {x}{2} \right )}}{35 a^{4} \tan ^{14}{\left (\frac {x}{2} \right )} - 245 a^{4} \tan ^{12}{\left (\frac {x}{2} \right )} + 735 a^{4} \tan ^{10}{\left (\frac {x}{2} \right )} - 1225 a^{4} \tan ^{8}{\left (\frac {x}{2} \right )} + 1225 a^{4} \tan ^{6}{\left (\frac {x}{2} \right )} - 735 a^{4} \tan ^{4}{\left (\frac {x}{2} \right )} + 245 a^{4} \tan ^{2}{\left (\frac {x}{2} \right )} - 35 a^{4}} + \frac {140 \tan ^{3}{\left (\frac {x}{2} \right )}}{35 a^{4} \tan ^{14}{\left (\frac {x}{2} \right )} - 245 a^{4} \tan ^{12}{\left (\frac {x}{2} \right )} + 735 a^{4} \tan ^{10}{\left (\frac {x}{2} \right )} - 1225 a^{4} \tan ^{8}{\left (\frac {x}{2} \right )} + 1225 a^{4} \tan ^{6}{\left (\frac {x}{2} \right )} - 735 a^{4} \tan ^{4}{\left (\frac {x}{2} \right )} + 245 a^{4} \tan ^{2}{\left (\frac {x}{2} \right )} - 35 a^{4}} - \frac {70 \tan {\left (\frac {x}{2} \right )}}{35 a^{4} \tan ^{14}{\left (\frac {x}{2} \right )} - 245 a^{4} \tan ^{12}{\left (\frac {x}{2} \right )} + 735 a^{4} \tan ^{10}{\left (\frac {x}{2} \right )} - 1225 a^{4} \tan ^{8}{\left (\frac {x}{2} \right )} + 1225 a^{4} \tan ^{6}{\left (\frac {x}{2} \right )} - 735 a^{4} \tan ^{4}{\left (\frac {x}{2} \right )} + 245 a^{4} \tan ^{2}{\left (\frac {x}{2} \right )} - 35 a^{4}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a-a*sin(x)**2)**4,x)

[Out]

-70*tan(x/2)**13/(35*a**4*tan(x/2)**14 - 245*a**4*tan(x/2)**12 + 735*a**4*tan(x/2)**10 - 1225*a**4*tan(x/2)**8
+ 1225*a**4*tan(x/2)**6 - 735*a**4*tan(x/2)**4 + 245*a**4*tan(x/2)**2 - 35*a**4) + 140*tan(x/2)**11/(35*a**4*
tan(x/2)**14 - 245*a**4*tan(x/2)**12 + 735*a**4*tan(x/2)**10 - 1225*a**4*tan(x/2)**8 + 1225*a**4*tan(x/2)**6 -
735*a**4*tan(x/2)**4 + 245*a**4*tan(x/2)**2 - 35*a**4) - 602*tan(x/2)**9/(35*a**4*tan(x/2)**14 - 245*a**4*tan
(x/2)**12 + 735*a**4*tan(x/2)**10 - 1225*a**4*tan(x/2)**8 + 1225*a**4*tan(x/2)**6 - 735*a**4*tan(x/2)**4 + 245
*a**4*tan(x/2)**2 - 35*a**4) + 424*tan(x/2)**7/(35*a**4*tan(x/2)**14 - 245*a**4*tan(x/2)**12 + 735*a**4*tan(x/
2)**10 - 1225*a**4*tan(x/2)**8 + 1225*a**4*tan(x/2)**6 - 735*a**4*tan(x/2)**4 + 245*a**4*tan(x/2)**2 - 35*a**4
) - 602*tan(x/2)**5/(35*a**4*tan(x/2)**14 - 245*a**4*tan(x/2)**12 + 735*a**4*tan(x/2)**10 - 1225*a**4*tan(x/2)
**8 + 1225*a**4*tan(x/2)**6 - 735*a**4*tan(x/2)**4 + 245*a**4*tan(x/2)**2 - 35*a**4) + 140*tan(x/2)**3/(35*a**
4*tan(x/2)**14 - 245*a**4*tan(x/2)**12 + 735*a**4*tan(x/2)**10 - 1225*a**4*tan(x/2)**8 + 1225*a**4*tan(x/2)**6
- 735*a**4*tan(x/2)**4 + 245*a**4*tan(x/2)**2 - 35*a**4) - 70*tan(x/2)/(35*a**4*tan(x/2)**14 - 245*a**4*tan(x
/2)**12 + 735*a**4*tan(x/2)**10 - 1225*a**4*tan(x/2)**8 + 1225*a**4*tan(x/2)**6 - 735*a**4*tan(x/2)**4 + 245*a
**4*tan(x/2)**2 - 35*a**4)

________________________________________________________________________________________

Giac [A]
time = 0.48, size = 28, normalized size = 0.76 \begin {gather*} \frac {5 \, \tan \left (x\right )^{7} + 21 \, \tan \left (x\right )^{5} + 35 \, \tan \left (x\right )^{3} + 35 \, \tan \left (x\right )}{35 \, a^{4}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a-a*sin(x)^2)^4,x, algorithm="giac")

[Out]

1/35*(5*tan(x)^7 + 21*tan(x)^5 + 35*tan(x)^3 + 35*tan(x))/a^4

________________________________________________________________________________________

Mupad [B]
time = 13.41, size = 33, normalized size = 0.89 \begin {gather*} \frac {\mathrm {tan}\left (x\right )}{a^4}+\frac {{\mathrm {tan}\left (x\right )}^3}{a^4}+\frac {3\,{\mathrm {tan}\left (x\right )}^5}{5\,a^4}+\frac {{\mathrm {tan}\left (x\right )}^7}{7\,a^4} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(a - a*sin(x)^2)^4,x)

[Out]

tan(x)/a^4 + tan(x)^3/a^4 + (3*tan(x)^5)/(5*a^4) + tan(x)^7/(7*a^4)

________________________________________________________________________________________