Integrand size = 21, antiderivative size = 349 \[ \int \csc ^4(c+d x) (a+a \sec (c+d x))^n \, dx=\frac {\left (2-n+n^2\right ) \cos (c+d x) (a+a \sec (c+d x))^n \sin (c+d x)}{d (3-2 n) \left (1-4 n^2\right ) (1-\cos (c+d x))^2}-\frac {a^4 \cos (c+d x) (a+a \sec (c+d x))^n \sin (c+d x)}{d (3-2 n) (a-a \cos (c+d x))^2 (a+a \cos (c+d x))^2}-\frac {a^3 (4-n) \cos (c+d x) (a+a \sec (c+d x))^n \sin (c+d x)}{d \left (3-8 n+4 n^2\right ) (a-a \cos (c+d x))^2 (a+a \cos (c+d x))}+\frac {n \left (7-3 n-n^2\right ) \cos (c+d x) \left (\frac {1+\cos (c+d x)}{1-\cos (c+d x)}\right )^{-\frac {1}{2}-n} \operatorname {Hypergeometric2F1}\left (-\frac {1}{2}-n,1-n,2-n,-\frac {2 \cos (c+d x)}{1-\cos (c+d x)}\right ) (a+a \sec (c+d x))^n \sin (c+d x)}{d (1-2 n) (3-2 n) (1-n) (1+2 n) (1-\cos (c+d x))^2} \]
(n^2-n+2)*cos(d*x+c)*(a+a*sec(d*x+c))^n*sin(d*x+c)/d/(3-2*n)/(-4*n^2+1)/(1 -cos(d*x+c))^2-a^4*cos(d*x+c)*(a+a*sec(d*x+c))^n*sin(d*x+c)/d/(3-2*n)/(a-a *cos(d*x+c))^2/(a+a*cos(d*x+c))^2-a^3*(4-n)*cos(d*x+c)*(a+a*sec(d*x+c))^n* sin(d*x+c)/d/(4*n^2-8*n+3)/(a-a*cos(d*x+c))^2/(a+a*cos(d*x+c))+n*(-n^2-3*n +7)*cos(d*x+c)*((1+cos(d*x+c))/(1-cos(d*x+c)))^(-1/2-n)*hypergeom([1-n, -1 /2-n],[2-n],-2*cos(d*x+c)/(1-cos(d*x+c)))*(a+a*sec(d*x+c))^n*sin(d*x+c)/d/ (-8*n^4+20*n^3-10*n^2-5*n+3)/(1-cos(d*x+c))^2
Time = 4.57 (sec) , antiderivative size = 350, normalized size of antiderivative = 1.00 \[ \int \csc ^4(c+d x) (a+a \sec (c+d x))^n \, dx=\frac {(a (1+\sec (c+d x)))^n \left (-2 \cot ^2\left (\frac {1}{2} (c+d x)\right ) \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},n,\frac {1}{2},\tan ^2\left (\frac {1}{2} (c+d x)\right )\right ) \left (\cos (c+d x) \sec ^2\left (\frac {1}{2} (c+d x)\right )\right )^n (1+\sec (c+d x))^{-n} \left (3\ 2^n \left (\cos ^2\left (\frac {1}{2} (c+d x)\right ) \sec (c+d x)\right )^n+2 (1+\sec (c+d x))^n+n (1+\sec (c+d x))^n\right )+\frac {-\cos (c+d x) (4 n \cos (c+d x)+(-3+n) (3+\cos (2 (c+d x)))) \csc ^4\left (\frac {1}{2} (c+d x)\right ) \sec ^2\left (\frac {1}{2} (c+d x)\right )+24 \operatorname {Hypergeometric2F1}\left (\frac {1}{2},n,\frac {3}{2},\tan ^2\left (\frac {1}{2} (c+d x)\right )\right ) \left (\cos (c+d x) \sec ^2\left (\frac {1}{2} (c+d x)\right )\right )^n (1+\sec (c+d x))^{-n} \left (-3 2^n \left (\cos ^2\left (\frac {1}{2} (c+d x)\right ) \sec (c+d x)\right )^n-2 (1+\sec (c+d x))^n+n \left (2^{1+n} \left (\cos ^2\left (\frac {1}{2} (c+d x)\right ) \sec (c+d x)\right )^n+(1+\sec (c+d x))^n\right )\right )}{4 (-3+2 n)}\right ) \tan \left (\frac {1}{2} (c+d x)\right )}{24 d} \]
((a*(1 + Sec[c + d*x]))^n*((-2*Cot[(c + d*x)/2]^2*Hypergeometric2F1[-1/2, n, 1/2, Tan[(c + d*x)/2]^2]*(Cos[c + d*x]*Sec[(c + d*x)/2]^2)^n*(3*2^n*(Co s[(c + d*x)/2]^2*Sec[c + d*x])^n + 2*(1 + Sec[c + d*x])^n + n*(1 + Sec[c + d*x])^n))/(1 + Sec[c + d*x])^n + (-(Cos[c + d*x]*(4*n*Cos[c + d*x] + (-3 + n)*(3 + Cos[2*(c + d*x)]))*Csc[(c + d*x)/2]^4*Sec[(c + d*x)/2]^2) + (24* Hypergeometric2F1[1/2, n, 3/2, Tan[(c + d*x)/2]^2]*(Cos[c + d*x]*Sec[(c + d*x)/2]^2)^n*(-3*2^n*(Cos[(c + d*x)/2]^2*Sec[c + d*x])^n - 2*(1 + Sec[c + d*x])^n + n*(2^(1 + n)*(Cos[(c + d*x)/2]^2*Sec[c + d*x])^n + (1 + Sec[c + d*x])^n)))/(1 + Sec[c + d*x])^n)/(4*(-3 + 2*n)))*Tan[(c + d*x)/2])/(24*d)
Time = 0.69 (sec) , antiderivative size = 441, normalized size of antiderivative = 1.26, number of steps used = 13, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.571, Rules used = {3042, 4364, 3042, 3362, 144, 25, 27, 172, 27, 172, 27, 142}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \csc ^4(c+d x) (a \sec (c+d x)+a)^n \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {\left (a-a \csc \left (c+d x-\frac {\pi }{2}\right )\right )^n}{\cos \left (c+d x-\frac {\pi }{2}\right )^4}dx\) |
\(\Big \downarrow \) 4364 |
\(\displaystyle (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n} (a \sec (c+d x)+a)^n \int (-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^n \csc ^4(c+d x)dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n} (a \sec (c+d x)+a)^n \int \frac {\left (-\sin \left (c+d x+\frac {\pi }{2}\right )\right )^{-n} \left (-\sin \left (c+d x+\frac {\pi }{2}\right ) a-a\right )^n}{\cos \left (c+d x+\frac {\pi }{2}\right )^4}dx\) |
\(\Big \downarrow \) 3362 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \int \frac {(-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n-\frac {5}{2}}}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 144 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (\frac {\int -\frac {a^2 (-n-2 \cos (c+d x)+2) (-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n-\frac {3}{2}}}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{a^3 (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (-\frac {\int \frac {a^2 (-n-2 \cos (c+d x)+2) (-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n-\frac {3}{2}}}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{a^3 (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (-\frac {\int \frac {(-n-2 \cos (c+d x)+2) (-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n-\frac {3}{2}}}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{a (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 172 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (-\frac {\frac {\int \frac {a^2 (-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n-\frac {1}{2}} \left (-n^2+(4-n) \cos (c+d x)+2\right )}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{a^3 (1-2 n)}-\frac {(4-n) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {1}{2}}}{a^2 (1-2 n) (a \cos (c+d x)-a)^{3/2}}}{a (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (-\frac {\frac {\int \frac {(-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n-\frac {1}{2}} \left (-n^2+(4-n) \cos (c+d x)+2\right )}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{a (1-2 n)}-\frac {(4-n) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {1}{2}}}{a^2 (1-2 n) (a \cos (c+d x)-a)^{3/2}}}{a (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 172 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (-\frac {\frac {-\frac {\int \frac {a^2 n \left (-n^2-3 n+7\right ) (-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n+\frac {1}{2}}}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{a^3 (2 n+1)}-\frac {\left (n^2-n+2\right ) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n+\frac {1}{2}}}{a^2 (2 n+1) (a \cos (c+d x)-a)^{3/2}}}{a (1-2 n)}-\frac {(4-n) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {1}{2}}}{a^2 (1-2 n) (a \cos (c+d x)-a)^{3/2}}}{a (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (-\frac {\frac {-\frac {n \left (-n^2-3 n+7\right ) \int \frac {(-\cos (c+d x))^{-n} (-\cos (c+d x) a-a)^{n+\frac {1}{2}}}{(a \cos (c+d x)-a)^{5/2}}d\cos (c+d x)}{a (2 n+1)}-\frac {\left (n^2-n+2\right ) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n+\frac {1}{2}}}{a^2 (2 n+1) (a \cos (c+d x)-a)^{3/2}}}{a (1-2 n)}-\frac {(4-n) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {1}{2}}}{a^2 (1-2 n) (a \cos (c+d x)-a)^{3/2}}}{a (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
\(\Big \downarrow \) 142 |
\(\displaystyle -\frac {a^6 \sin (c+d x) (-\cos (c+d x))^n (a (-\cos (c+d x))-a)^{-n-\frac {1}{2}} (a \sec (c+d x)+a)^n \left (-\frac {\frac {-\frac {n \left (-n^2-3 n+7\right ) (-\cos (c+d x))^{1-n} \left (\frac {\cos (c+d x)+1}{1-\cos (c+d x)}\right )^{-n-\frac {1}{2}} (a (-\cos (c+d x))-a)^{n+\frac {1}{2}} \operatorname {Hypergeometric2F1}\left (-n-\frac {1}{2},1-n,2-n,-\frac {2 \cos (c+d x)}{1-\cos (c+d x)}\right )}{a^2 (1-n) (2 n+1) (a \cos (c+d x)-a)^{3/2}}-\frac {\left (n^2-n+2\right ) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n+\frac {1}{2}}}{a^2 (2 n+1) (a \cos (c+d x)-a)^{3/2}}}{a (1-2 n)}-\frac {(4-n) (-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {1}{2}}}{a^2 (1-2 n) (a \cos (c+d x)-a)^{3/2}}}{a (3-2 n)}-\frac {(-\cos (c+d x))^{1-n} (a (-\cos (c+d x))-a)^{n-\frac {3}{2}}}{a^2 (3-2 n) (a \cos (c+d x)-a)^{3/2}}\right )}{d \sqrt {a \cos (c+d x)-a}}\) |
-((a^6*(-Cos[c + d*x])^n*(-a - a*Cos[c + d*x])^(-1/2 - n)*(-(((-Cos[c + d* x])^(1 - n)*(-a - a*Cos[c + d*x])^(-3/2 + n))/(a^2*(3 - 2*n)*(-a + a*Cos[c + d*x])^(3/2))) - (-(((4 - n)*(-Cos[c + d*x])^(1 - n)*(-a - a*Cos[c + d*x ])^(-1/2 + n))/(a^2*(1 - 2*n)*(-a + a*Cos[c + d*x])^(3/2))) + (-(((2 - n + n^2)*(-Cos[c + d*x])^(1 - n)*(-a - a*Cos[c + d*x])^(1/2 + n))/(a^2*(1 + 2 *n)*(-a + a*Cos[c + d*x])^(3/2))) - (n*(7 - 3*n - n^2)*(-Cos[c + d*x])^(1 - n)*((1 + Cos[c + d*x])/(1 - Cos[c + d*x]))^(-1/2 - n)*(-a - a*Cos[c + d* x])^(1/2 + n)*Hypergeometric2F1[-1/2 - n, 1 - n, 2 - n, (-2*Cos[c + d*x])/ (1 - Cos[c + d*x])])/(a^2*(1 - n)*(1 + 2*n)*(-a + a*Cos[c + d*x])^(3/2)))/ (a*(1 - 2*n)))/(a*(3 - 2*n)))*(a + a*Sec[c + d*x])^n*Sin[c + d*x])/(d*Sqrt [-a + a*Cos[c + d*x]]))
3.2.55.3.1 Defintions of rubi rules used
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_) )^(p_), x_] :> Simp[((a + b*x)^(m + 1)*(c + d*x)^n*((e + f*x)^(p + 1)/((b*e - a*f)*(m + 1)))*Hypergeometric2F1[m + 1, -n, m + 2, (-(d*e - c*f))*((a + b*x)/((b*c - a*d)*(e + f*x)))])/((b*e - a*f)*((c + d*x)/((b*c - a*d)*(e + f *x))))^n, x] /; FreeQ[{a, b, c, d, e, f, m, n, p}, x] && EqQ[m + n + p + 2, 0] && !IntegerQ[n]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_) )^(p_), x_] :> With[{mnp = Simplify[m + n + p]}, Simp[b*(a + b*x)^(m + 1)*( c + d*x)^(n + 1)*((e + f*x)^(p + 1)/((m + 1)*(b*c - a*d)*(b*e - a*f))), x] + Simp[1/((m + 1)*(b*c - a*d)*(b*e - a*f)) Int[(a + b*x)^(m + 1)*(c + d*x )^n*(e + f*x)^p*Simp[a*d*f*(m + 1) - b*(d*e*(m + n + 2) + c*f*(m + p + 2)) - b*d*f*(mnp + 3)*x, x], x], x] /; ILtQ[mnp + 2, 0] && (SumSimplerQ[m, 1] | | ( !SumSimplerQ[n, 1] && !SumSimplerQ[p, 1]))] /; FreeQ[{a, b, c, d, e, f , m, n, p}, x] && NeQ[m, -1]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_) )^(p_)*((g_.) + (h_.)*(x_)), x_] :> With[{mnp = Simplify[m + n + p]}, Simp[ (b*g - a*h)*(a + b*x)^(m + 1)*(c + d*x)^(n + 1)*((e + f*x)^(p + 1)/((m + 1) *(b*c - a*d)*(b*e - a*f))), x] + Simp[1/((m + 1)*(b*c - a*d)*(b*e - a*f)) Int[(a + b*x)^(m + 1)*(c + d*x)^n*(e + f*x)^p*Simp[(a*d*f*g - b*(d*e + c*f )*g + b*c*e*h)*(m + 1) - (b*g - a*h)*(d*e*(n + 1) + c*f*(p + 1)) - d*f*(b*g - a*h)*(mnp + 3)*x, x], x], x] /; ILtQ[mnp + 2, 0] && (SumSimplerQ[m, 1] | | ( !(NeQ[n, -1] && SumSimplerQ[n, 1]) && !(NeQ[p, -1] && SumSimplerQ[p, 1 ])))] /; FreeQ[{a, b, c, d, e, f, g, h, n, p}, x] && NeQ[m, -1]
Int[cos[(e_.) + (f_.)*(x_)]^(p_)*((d_.)*sin[(e_.) + (f_.)*(x_)])^(n_)*((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)])^(m_), x_Symbol] :> Simp[Cos[e + f*x]/(a^( p - 2)*f*Sqrt[a + b*Sin[e + f*x]]*Sqrt[a - b*Sin[e + f*x]]) Subst[Int[(d* x)^n*(a + b*x)^(m + p/2 - 1/2)*(a - b*x)^(p/2 - 1/2), x], x, Sin[e + f*x]], x] /; FreeQ[{a, b, d, e, f, m, n}, x] && EqQ[a^2 - b^2, 0] && IntegerQ[p/2 ] && !IntegerQ[m]
Int[(cos[(e_.) + (f_.)*(x_)]*(g_.))^(p_.)*(csc[(e_.) + (f_.)*(x_)]*(b_.) + (a_))^(m_), x_Symbol] :> Simp[Sin[e + f*x]^FracPart[m]*((a + b*Csc[e + f*x] )^FracPart[m]/(b + a*Sin[e + f*x])^FracPart[m]) Int[(g*Cos[e + f*x])^p*(( b + a*Sin[e + f*x])^m/Sin[e + f*x]^m), x], x] /; FreeQ[{a, b, e, f, g, m, p }, x] && (EqQ[a^2 - b^2, 0] || IntegersQ[2*m, p])
\[\int \csc \left (d x +c \right )^{4} \left (a +a \sec \left (d x +c \right )\right )^{n}d x\]
\[ \int \csc ^4(c+d x) (a+a \sec (c+d x))^n \, dx=\int { {\left (a \sec \left (d x + c\right ) + a\right )}^{n} \csc \left (d x + c\right )^{4} \,d x } \]
Timed out. \[ \int \csc ^4(c+d x) (a+a \sec (c+d x))^n \, dx=\text {Timed out} \]
\[ \int \csc ^4(c+d x) (a+a \sec (c+d x))^n \, dx=\int { {\left (a \sec \left (d x + c\right ) + a\right )}^{n} \csc \left (d x + c\right )^{4} \,d x } \]
\[ \int \csc ^4(c+d x) (a+a \sec (c+d x))^n \, dx=\int { {\left (a \sec \left (d x + c\right ) + a\right )}^{n} \csc \left (d x + c\right )^{4} \,d x } \]
Timed out. \[ \int \csc ^4(c+d x) (a+a \sec (c+d x))^n \, dx=\int \frac {{\left (a+\frac {a}{\cos \left (c+d\,x\right )}\right )}^n}{{\sin \left (c+d\,x\right )}^4} \,d x \]