3.2.13 \(\int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx\) [113]

Optimal. Leaf size=106 \[ -\frac {14 E\left (\left .a-\frac {\pi }{4}+b x\right |2\right )}{15 b}-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}} \]

[Out]

14/15*(sin(a+1/4*Pi+b*x)^2)^(1/2)/sin(a+1/4*Pi+b*x)*EllipticE(cos(a+1/4*Pi+b*x),2^(1/2))/b-14/45*cos(2*b*x+2*a
)/b/sin(2*b*x+2*a)^(5/2)-1/9*csc(b*x+a)^2/b/sin(2*b*x+2*a)^(5/2)-14/15*cos(2*b*x+2*a)/b/sin(2*b*x+2*a)^(1/2)

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Rubi [A]
time = 0.05, antiderivative size = 106, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {4385, 2716, 2719} \begin {gather*} -\frac {14 E\left (\left .a+b x-\frac {\pi }{4}\right |2\right )}{15 b}-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[Csc[a + b*x]^2/Sin[2*a + 2*b*x]^(7/2),x]

[Out]

(-14*EllipticE[a - Pi/4 + b*x, 2])/(15*b) - (14*Cos[2*a + 2*b*x])/(45*b*Sin[2*a + 2*b*x]^(5/2)) - Csc[a + b*x]
^2/(9*b*Sin[2*a + 2*b*x]^(5/2)) - (14*Cos[2*a + 2*b*x])/(15*b*Sqrt[Sin[2*a + 2*b*x]])

Rule 2716

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

Rule 2719

Int[Sqrt[sin[(c_.) + (d_.)*(x_)]], x_Symbol] :> Simp[(2/d)*EllipticE[(1/2)*(c - Pi/2 + d*x), 2], x] /; FreeQ[{
c, d}, x]

Rule 4385

Int[((e_.)*sin[(a_.) + (b_.)*(x_)])^(m_)*((g_.)*sin[(c_.) + (d_.)*(x_)])^(p_), x_Symbol] :> Simp[(e*Sin[a + b*
x])^m*((g*Sin[c + d*x])^(p + 1)/(2*b*g*(m + p + 1))), x] + Dist[(m + 2*p + 2)/(e^2*(m + p + 1)), Int[(e*Sin[a
+ b*x])^(m + 2)*(g*Sin[c + d*x])^p, x], x] /; FreeQ[{a, b, c, d, e, g, p}, x] && EqQ[b*c - a*d, 0] && EqQ[d/b,
2] &&  !IntegerQ[p] && LtQ[m, -1] && NeQ[m + 2*p + 2, 0] && NeQ[m + p + 1, 0] && IntegersQ[2*m, 2*p]

Rubi steps

\begin {align*} \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx &=-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}+\frac {14}{9} \int \frac {1}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx\\ &=-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}+\frac {14}{15} \int \frac {1}{\sin ^{\frac {3}{2}}(2 a+2 b x)} \, dx\\ &=-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}}-\frac {14}{15} \int \sqrt {\sin (2 a+2 b x)} \, dx\\ &=-\frac {14 E\left (\left .a-\frac {\pi }{4}+b x\right |2\right )}{15 b}-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}}\\ \end {align*}

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Mathematica [A]
time = 0.85, size = 85, normalized size = 0.80 \begin {gather*} -\frac {336 E\left (\left .a-\frac {\pi }{4}+b x\right |2\right )+\frac {(-9+98 \cos (2 (a+b x))-28 \cos (4 (a+b x))-42 \cos (6 (a+b x))+21 \cos (8 (a+b x))) \csc ^2(a+b x)}{\sin ^{\frac {5}{2}}(2 (a+b x))}}{360 b} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[Csc[a + b*x]^2/Sin[2*a + 2*b*x]^(7/2),x]

[Out]

-1/360*(336*EllipticE[a - Pi/4 + b*x, 2] + ((-9 + 98*Cos[2*(a + b*x)] - 28*Cos[4*(a + b*x)] - 42*Cos[6*(a + b*
x)] + 21*Cos[8*(a + b*x)])*Csc[a + b*x]^2)/Sin[2*(a + b*x)]^(5/2))/b

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Maple [F]
time = 180.00, size = 0, normalized size = 0.00 \[\int \frac {\csc ^{2}\left (x b +a \right )}{\sin \left (2 x b +2 a \right )^{\frac {7}{2}}}\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(csc(b*x+a)^2/sin(2*b*x+2*a)^(7/2),x)

[Out]

int(csc(b*x+a)^2/sin(2*b*x+2*a)^(7/2),x)

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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(b*x+a)^2/sin(2*b*x+2*a)^(7/2),x, algorithm="maxima")

[Out]

integrate(csc(b*x + a)^2/sin(2*b*x + 2*a)^(7/2), x)

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Fricas [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(b*x+a)^2/sin(2*b*x+2*a)^(7/2),x, algorithm="fricas")

[Out]

Exception raised: TypeError >> Symbolic function elliptic_ec takes exactly 1 arguments (2 given)

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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(b*x+a)**2/sin(2*b*x+2*a)**(7/2),x)

[Out]

Timed out

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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(b*x+a)^2/sin(2*b*x+2*a)^(7/2),x, algorithm="giac")

[Out]

integrate(csc(b*x + a)^2/sin(2*b*x + 2*a)^(7/2), x)

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {1}{{\sin \left (a+b\,x\right )}^2\,{\sin \left (2\,a+2\,b\,x\right )}^{7/2}} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(sin(a + b*x)^2*sin(2*a + 2*b*x)^(7/2)),x)

[Out]

int(1/(sin(a + b*x)^2*sin(2*a + 2*b*x)^(7/2)), x)

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