Integrand size = 21, antiderivative size = 155 \[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=-\frac {\sqrt {3} \arctan \left (\frac {1-\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}}{\sqrt {3}}\right )}{2 b}+\frac {\log \left (1+\frac {\cos ^{\frac {4}{3}}(a+b x)}{\sin ^{\frac {4}{3}}(a+b x)}-\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )}{4 b}-\frac {\log \left (1+\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)} \] Output:
-1/2*3^(1/2)*arctan(1/3*(1-2*cos(b*x+a)^(2/3)/sin(b*x+a)^(2/3))*3^(1/2))/b +1/4*ln(1+cos(b*x+a)^(4/3)/sin(b*x+a)^(4/3)-cos(b*x+a)^(2/3)/sin(b*x+a)^(2 /3))/b-1/2*ln(1+cos(b*x+a)^(2/3)/sin(b*x+a)^(2/3))/b-3/4*cos(b*x+a)^(4/3)/ b/sin(b*x+a)^(4/3)
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.04 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.37 \[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=-\frac {3 \sqrt [3]{\cos ^2(a+b x)} \operatorname {Hypergeometric2F1}\left (-\frac {2}{3},-\frac {2}{3},\frac {1}{3},\sin ^2(a+b x)\right )}{4 b \cos ^{\frac {2}{3}}(a+b x) \sin ^{\frac {4}{3}}(a+b x)} \] Input:
Integrate[Cos[a + b*x]^(7/3)/Sin[a + b*x]^(7/3),x]
Output:
(-3*(Cos[a + b*x]^2)^(1/3)*Hypergeometric2F1[-2/3, -2/3, 1/3, Sin[a + b*x] ^2])/(4*b*Cos[a + b*x]^(2/3)*Sin[a + b*x]^(4/3))
Time = 0.40 (sec) , antiderivative size = 101, normalized size of antiderivative = 0.65, number of steps used = 13, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.571, Rules used = {3042, 3047, 3042, 3055, 807, 821, 16, 1142, 25, 1083, 217, 1103}
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.
\(\displaystyle \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {\cos (a+b x)^{7/3}}{\sin (a+b x)^{7/3}}dx\) |
\(\Big \downarrow \) 3047 |
\(\displaystyle -\int \frac {\sqrt [3]{\cos (a+b x)}}{\sqrt [3]{\sin (a+b x)}}dx-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle -\int \frac {\sqrt [3]{\cos (a+b x)}}{\sqrt [3]{\sin (a+b x)}}dx-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 3055 |
\(\displaystyle \frac {3 \int \frac {\cot (a+b x)}{\cot ^2(a+b x)+1}d\frac {\sqrt [3]{\cos (a+b x)}}{\sqrt [3]{\sin (a+b x)}}}{b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 807 |
\(\displaystyle \frac {3 \int \frac {\cos ^{\frac {2}{3}}(a+b x)}{(\cot (a+b x)+1) \sin ^{\frac {2}{3}}(a+b x)}d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 821 |
\(\displaystyle \frac {3 \left (\frac {1}{3} \int \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-\frac {1}{3} \int \frac {1}{\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1}d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 16 |
\(\displaystyle \frac {3 \left (\frac {1}{3} \int \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-\frac {1}{3} \log \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 1142 |
\(\displaystyle \frac {3 \left (\frac {1}{3} \left (\frac {3}{2} \int 1d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+\frac {1}{2} \int \left (\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-1\right )d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )-\frac {1}{3} \log \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {3 \left (\frac {1}{3} \left (\frac {3}{2} \int 1d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-\frac {1}{2} \int \left (1-\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )-\frac {1}{3} \log \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 1083 |
\(\displaystyle \frac {3 \left (\frac {1}{3} \left (-3 \int \frac {1}{-\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-2}d\left (\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-1\right )-\frac {1}{2} \int \left (1-\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )-\frac {1}{3} \log \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 217 |
\(\displaystyle \frac {3 \left (\frac {1}{3} \left (\sqrt {3} \arctan \left (\frac {\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-1}{\sqrt {3}}\right )-\frac {1}{2} \int \left (1-\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )d\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}\right )-\frac {1}{3} \log \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
\(\Big \downarrow \) 1103 |
\(\displaystyle \frac {3 \left (\frac {\arctan \left (\frac {\frac {2 \cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}-1}{\sqrt {3}}\right )}{\sqrt {3}}-\frac {1}{3} \log \left (\frac {\cos ^{\frac {2}{3}}(a+b x)}{\sin ^{\frac {2}{3}}(a+b x)}+1\right )\right )}{2 b}-\frac {3 \cos ^{\frac {4}{3}}(a+b x)}{4 b \sin ^{\frac {4}{3}}(a+b x)}\) |
Input:
Int[Cos[a + b*x]^(7/3)/Sin[a + b*x]^(7/3),x]
Output:
(3*(ArcTan[(-1 + (2*Cos[a + b*x]^(2/3))/Sin[a + b*x]^(2/3))/Sqrt[3]]/Sqrt[ 3] - Log[1 + Cos[a + b*x]^(2/3)/Sin[a + b*x]^(2/3)]/3))/(2*b) - (3*Cos[a + b*x]^(4/3))/(4*b*Sin[a + b*x]^(4/3))
Int[(c_.)/((a_.) + (b_.)*(x_)), x_Symbol] :> Simp[c*(Log[RemoveContent[a + b*x, x]]/b), x] /; FreeQ[{a, b, c}, x]
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(-(Rt[-a, 2]*Rt[-b, 2])^( -1))*ArcTan[Rt[-b, 2]*(x/Rt[-a, 2])], x] /; FreeQ[{a, b}, x] && PosQ[a/b] & & (LtQ[a, 0] || LtQ[b, 0])
Int[(x_)^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> With[{k = GCD[m + 1, n]}, Simp[1/k Subst[Int[x^((m + 1)/k - 1)*(a + b*x^(n/k))^p, x], x, x^k], x] /; k != 1] /; FreeQ[{a, b, p}, x] && IGtQ[n, 0] && IntegerQ[m]
Int[(x_)/((a_) + (b_.)*(x_)^3), x_Symbol] :> Simp[-(3*Rt[a, 3]*Rt[b, 3])^(- 1) Int[1/(Rt[a, 3] + Rt[b, 3]*x), x], x] + Simp[1/(3*Rt[a, 3]*Rt[b, 3]) Int[(Rt[a, 3] + Rt[b, 3]*x)/(Rt[a, 3]^2 - Rt[a, 3]*Rt[b, 3]*x + Rt[b, 3]^2 *x^2), x], x] /; FreeQ[{a, b}, x]
Int[((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(-1), x_Symbol] :> Simp[-2 Subst[I nt[1/Simp[b^2 - 4*a*c - x^2, x], x], x, b + 2*c*x], x] /; FreeQ[{a, b, c}, x]
Int[((d_) + (e_.)*(x_))/((a_.) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> S imp[d*(Log[RemoveContent[a + b*x + c*x^2, x]]/b), x] /; FreeQ[{a, b, c, d, e}, x] && EqQ[2*c*d - b*e, 0]
Int[((d_.) + (e_.)*(x_))/((a_) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> S imp[(2*c*d - b*e)/(2*c) Int[1/(a + b*x + c*x^2), x], x] + Simp[e/(2*c) Int[(b + 2*c*x)/(a + b*x + c*x^2), x], x] /; FreeQ[{a, b, c, d, e}, x]
Int[(cos[(e_.) + (f_.)*(x_)]*(a_.))^(m_)*((b_.)*sin[(e_.) + (f_.)*(x_)])^(n _), x_Symbol] :> Simp[a*(a*Cos[e + f*x])^(m - 1)*((b*Sin[e + f*x])^(n + 1)/ (b*f*(n + 1))), x] + Simp[a^2*((m - 1)/(b^2*(n + 1))) Int[(a*Cos[e + f*x] )^(m - 2)*(b*Sin[e + f*x])^(n + 2), x], x] /; FreeQ[{a, b, e, f}, x] && GtQ [m, 1] && LtQ[n, -1] && (IntegersQ[2*m, 2*n] || EqQ[m + n, 0])
Int[(cos[(e_.) + (f_.)*(x_)]*(a_.))^(m_)*((b_.)*sin[(e_.) + (f_.)*(x_)])^(n _), x_Symbol] :> With[{k = Denominator[m]}, Simp[(-k)*a*(b/f) Subst[Int[x ^(k*(m + 1) - 1)/(a^2 + b^2*x^(2*k)), x], x, (a*Cos[e + f*x])^(1/k)/(b*Sin[ e + f*x])^(1/k)], x]] /; FreeQ[{a, b, e, f}, x] && EqQ[m + n, 0] && GtQ[m, 0] && LtQ[m, 1]
\[\int \frac {\cos \left (b x +a \right )^{\frac {7}{3}}}{\sin \left (b x +a \right )^{\frac {7}{3}}}d x\]
Input:
int(cos(b*x+a)^(7/3)/sin(b*x+a)^(7/3),x)
Output:
int(cos(b*x+a)^(7/3)/sin(b*x+a)^(7/3),x)
Time = 0.10 (sec) , antiderivative size = 219, normalized size of antiderivative = 1.41 \[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=\frac {2 \, {\left (\sqrt {3} \cos \left (b x + a\right )^{2} - \sqrt {3}\right )} \arctan \left (\frac {2 \, \sqrt {3} \cos \left (b x + a\right )^{\frac {2}{3}} \sin \left (b x + a\right )^{\frac {1}{3}} - \sqrt {3} \sin \left (b x + a\right )}{3 \, \sin \left (b x + a\right )}\right ) + {\left (\cos \left (b x + a\right )^{2} - 1\right )} \log \left (\frac {4 \, {\left (\cos \left (b x + a\right )^{2} - \cos \left (b x + a\right )^{\frac {4}{3}} \sin \left (b x + a\right )^{\frac {2}{3}} + \cos \left (b x + a\right )^{\frac {2}{3}} \sin \left (b x + a\right )^{\frac {4}{3}} - 1\right )}}{\cos \left (b x + a\right )^{2} - 1}\right ) - 2 \, {\left (\cos \left (b x + a\right )^{2} - 1\right )} \log \left (-\frac {2 \, {\left (\cos \left (b x + a\right )^{\frac {2}{3}} \sin \left (b x + a\right )^{\frac {1}{3}} + \sin \left (b x + a\right )\right )}}{\sin \left (b x + a\right )}\right ) + 3 \, \cos \left (b x + a\right )^{\frac {4}{3}} \sin \left (b x + a\right )^{\frac {2}{3}}}{4 \, {\left (b \cos \left (b x + a\right )^{2} - b\right )}} \] Input:
integrate(cos(b*x+a)^(7/3)/sin(b*x+a)^(7/3),x, algorithm="fricas")
Output:
1/4*(2*(sqrt(3)*cos(b*x + a)^2 - sqrt(3))*arctan(1/3*(2*sqrt(3)*cos(b*x + a)^(2/3)*sin(b*x + a)^(1/3) - sqrt(3)*sin(b*x + a))/sin(b*x + a)) + (cos(b *x + a)^2 - 1)*log(4*(cos(b*x + a)^2 - cos(b*x + a)^(4/3)*sin(b*x + a)^(2/ 3) + cos(b*x + a)^(2/3)*sin(b*x + a)^(4/3) - 1)/(cos(b*x + a)^2 - 1)) - 2* (cos(b*x + a)^2 - 1)*log(-2*(cos(b*x + a)^(2/3)*sin(b*x + a)^(1/3) + sin(b *x + a))/sin(b*x + a)) + 3*cos(b*x + a)^(4/3)*sin(b*x + a)^(2/3))/(b*cos(b *x + a)^2 - b)
Timed out. \[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=\text {Timed out} \] Input:
integrate(cos(b*x+a)**(7/3)/sin(b*x+a)**(7/3),x)
Output:
Timed out
\[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=\int { \frac {\cos \left (b x + a\right )^{\frac {7}{3}}}{\sin \left (b x + a\right )^{\frac {7}{3}}} \,d x } \] Input:
integrate(cos(b*x+a)^(7/3)/sin(b*x+a)^(7/3),x, algorithm="maxima")
Output:
integrate(cos(b*x + a)^(7/3)/sin(b*x + a)^(7/3), x)
\[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=\int { \frac {\cos \left (b x + a\right )^{\frac {7}{3}}}{\sin \left (b x + a\right )^{\frac {7}{3}}} \,d x } \] Input:
integrate(cos(b*x+a)^(7/3)/sin(b*x+a)^(7/3),x, algorithm="giac")
Output:
integrate(cos(b*x + a)^(7/3)/sin(b*x + a)^(7/3), x)
Time = 27.46 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.28 \[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=-\frac {3\,{\cos \left (a+b\,x\right )}^{10/3}\,{\left ({\sin \left (a+b\,x\right )}^2\right )}^{2/3}\,{{}}_2{\mathrm {F}}_1\left (\frac {5}{3},\frac {5}{3};\ \frac {8}{3};\ {\cos \left (a+b\,x\right )}^2\right )}{10\,b\,{\sin \left (a+b\,x\right )}^{4/3}} \] Input:
int(cos(a + b*x)^(7/3)/sin(a + b*x)^(7/3),x)
Output:
-(3*cos(a + b*x)^(10/3)*(sin(a + b*x)^2)^(2/3)*hypergeom([5/3, 5/3], 8/3, cos(a + b*x)^2))/(10*b*sin(a + b*x)^(4/3))
\[ \int \frac {\cos ^{\frac {7}{3}}(a+b x)}{\sin ^{\frac {7}{3}}(a+b x)} \, dx=\int \frac {\cos \left (b x +a \right )^{\frac {7}{3}}}{\sin \left (b x +a \right )^{\frac {7}{3}}}d x \] Input:
int(cos(b*x+a)^(7/3)/sin(b*x+a)^(7/3),x)
Output:
int((cos(a + b*x)**(1/3)*cos(a + b*x)**2)/(sin(a + b*x)**(1/3)*sin(a + b*x )**2),x)