3.29 \(\int \csc ^n(c+d x) \sqrt {a-a \csc (c+d x)} \, dx\)

Optimal. Leaf size=69 \[ -\frac {2 a \cos (c+d x) (-\csc (c+d x))^{-n} \csc ^{n+1}(c+d x) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};\csc (c+d x)+1\right )}{d \sqrt {a-a \csc (c+d x)}} \]

[Out]

-2*a*cos(d*x+c)*csc(d*x+c)^(1+n)*hypergeom([1/2, 1-n],[3/2],1+csc(d*x+c))/d/((-csc(d*x+c))^n)/(a-a*csc(d*x+c))
^(1/2)

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Rubi [A]  time = 0.07, antiderivative size = 69, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3806, 67, 65} \[ -\frac {2 a \cos (c+d x) (-\csc (c+d x))^{-n} \csc ^{n+1}(c+d x) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};\csc (c+d x)+1\right )}{d \sqrt {a-a \csc (c+d x)}} \]

Antiderivative was successfully verified.

[In]

Int[Csc[c + d*x]^n*Sqrt[a - a*Csc[c + d*x]],x]

[Out]

(-2*a*Cos[c + d*x]*Csc[c + d*x]^(1 + n)*Hypergeometric2F1[1/2, 1 - n, 3/2, 1 + Csc[c + d*x]])/(d*(-Csc[c + d*x
])^n*Sqrt[a - a*Csc[c + d*x]])

Rule 65

Int[((b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[((c + d*x)^(n + 1)*Hypergeometric2F1[-m, n +
1, n + 2, 1 + (d*x)/c])/(d*(n + 1)*(-(d/(b*c)))^m), x] /; FreeQ[{b, c, d, m, n}, x] &&  !IntegerQ[n] && (Inte
gerQ[m] || GtQ[-(d/(b*c)), 0])

Rule 67

Int[((b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Dist[((-((b*c)/d))^IntPart[m]*(b*x)^FracPart[m])/
(-((d*x)/c))^FracPart[m], Int[(-((d*x)/c))^m*(c + d*x)^n, x], x] /; FreeQ[{b, c, d, m, n}, x] &&  !IntegerQ[m]
&&  !IntegerQ[n] &&  !GtQ[c, 0] &&  !GtQ[-(d/(b*c)), 0]

Rule 3806

Int[(csc[(e_.) + (f_.)*(x_)]*(d_.))^(n_)*Sqrt[csc[(e_.) + (f_.)*(x_)]*(b_.) + (a_)], x_Symbol] :> Dist[(a^2*d*
Cot[e + f*x])/(f*Sqrt[a + b*Csc[e + f*x]]*Sqrt[a - b*Csc[e + f*x]]), Subst[Int[(d*x)^(n - 1)/Sqrt[a - b*x], x]
, x, Csc[e + f*x]], x] /; FreeQ[{a, b, d, e, f, n}, x] && EqQ[a^2 - b^2, 0]

Rubi steps

\begin {align*} \int \csc ^n(c+d x) \sqrt {a-a \csc (c+d x)} \, dx &=\frac {\left (a^2 \cot (c+d x)\right ) \operatorname {Subst}\left (\int \frac {x^{-1+n}}{\sqrt {a+a x}} \, dx,x,\csc (c+d x)\right )}{d \sqrt {a-a \csc (c+d x)} \sqrt {a+a \csc (c+d x)}}\\ &=-\frac {\left (a^2 \cos (c+d x) (-\csc (c+d x))^{-n} \csc ^{1+n}(c+d x)\right ) \operatorname {Subst}\left (\int \frac {(-x)^{-1+n}}{\sqrt {a+a x}} \, dx,x,\csc (c+d x)\right )}{d \sqrt {a-a \csc (c+d x)} \sqrt {a+a \csc (c+d x)}}\\ &=-\frac {2 a \cos (c+d x) (-\csc (c+d x))^{-n} \csc ^{1+n}(c+d x) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};1+\csc (c+d x)\right )}{d \sqrt {a-a \csc (c+d x)}}\\ \end {align*}

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Mathematica [A]  time = 0.99, size = 73, normalized size = 1.06 \[ -\frac {2 a \cos (c+d x) \csc ^{2 n+1}(c+d x) \left (-\csc ^2(c+d x)\right )^{-n} \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};\csc (c+d x)+1\right )}{d \sqrt {a-a \csc (c+d x)}} \]

Antiderivative was successfully verified.

[In]

Integrate[Csc[c + d*x]^n*Sqrt[a - a*Csc[c + d*x]],x]

[Out]

(-2*a*Cos[c + d*x]*Csc[c + d*x]^(1 + 2*n)*Hypergeometric2F1[1/2, 1 - n, 3/2, 1 + Csc[c + d*x]])/(d*(-Csc[c + d
*x]^2)^n*Sqrt[a - a*Csc[c + d*x]])

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fricas [F]  time = 0.65, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\sqrt {-a \csc \left (d x + c\right ) + a} \csc \left (d x + c\right )^{n}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(d*x+c)^n*(a-a*csc(d*x+c))^(1/2),x, algorithm="fricas")

[Out]

integral(sqrt(-a*csc(d*x + c) + a)*csc(d*x + c)^n, x)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \sqrt {-a \csc \left (d x + c\right ) + a} \csc \left (d x + c\right )^{n}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(d*x+c)^n*(a-a*csc(d*x+c))^(1/2),x, algorithm="giac")

[Out]

integrate(sqrt(-a*csc(d*x + c) + a)*csc(d*x + c)^n, x)

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maple [F]  time = 2.45, size = 0, normalized size = 0.00 \[ \int \left (\csc ^{n}\left (d x +c \right )\right ) \sqrt {a -a \csc \left (d x +c \right )}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(csc(d*x+c)^n*(a-a*csc(d*x+c))^(1/2),x)

[Out]

int(csc(d*x+c)^n*(a-a*csc(d*x+c))^(1/2),x)

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \sqrt {-a \csc \left (d x + c\right ) + a} \csc \left (d x + c\right )^{n}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(d*x+c)^n*(a-a*csc(d*x+c))^(1/2),x, algorithm="maxima")

[Out]

integrate(sqrt(-a*csc(d*x + c) + a)*csc(d*x + c)^n, x)

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mupad [F]  time = 0.00, size = -1, normalized size = -0.01 \[ \int \sqrt {a-\frac {a}{\sin \left (c+d\,x\right )}}\,{\left (\frac {1}{\sin \left (c+d\,x\right )}\right )}^n \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a - a/sin(c + d*x))^(1/2)*(1/sin(c + d*x))^n,x)

[Out]

int((a - a/sin(c + d*x))^(1/2)*(1/sin(c + d*x))^n, x)

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sympy [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \sqrt {- a \left (\csc {\left (c + d x \right )} - 1\right )} \csc ^{n}{\left (c + d x \right )}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(csc(d*x+c)**n*(a-a*csc(d*x+c))**(1/2),x)

[Out]

Integral(sqrt(-a*(csc(c + d*x) - 1))*csc(c + d*x)**n, x)

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