Integrand size = 25, antiderivative size = 166 \[ \int (d \cos (a+b x))^{9/2} (c \sin (a+b x))^{5/2} \, dx=\frac {c d^3 (d \cos (a+b x))^{3/2} (c \sin (a+b x))^{3/2}}{20 b}+\frac {3 c d (d \cos (a+b x))^{7/2} (c \sin (a+b x))^{3/2}}{70 b}-\frac {c (d \cos (a+b x))^{11/2} (c \sin (a+b x))^{3/2}}{7 b d}+\frac {3 c^2 d^4 \sqrt {d \cos (a+b x)} E\left (\left .a-\frac {\pi }{4}+b x\right |2\right ) \sqrt {c \sin (a+b x)}}{40 b \sqrt {\sin (2 a+2 b x)}} \]
1/20*c*d^3*(d*cos(b*x+a))^(3/2)*(c*sin(b*x+a))^(3/2)/b+3/70*c*d*(d*cos(b*x +a))^(7/2)*(c*sin(b*x+a))^(3/2)/b-1/7*c*(d*cos(b*x+a))^(11/2)*(c*sin(b*x+a ))^(3/2)/b/d-3/40*c^2*d^4*(sin(a+1/4*Pi+b*x)^2)^(1/2)/sin(a+1/4*Pi+b*x)*El lipticE(cos(a+1/4*Pi+b*x),2^(1/2))*(d*cos(b*x+a))^(1/2)*(c*sin(b*x+a))^(1/ 2)/b/sin(2*b*x+2*a)^(1/2)
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 0.12 (sec) , antiderivative size = 72, normalized size of antiderivative = 0.43 \[ \int (d \cos (a+b x))^{9/2} (c \sin (a+b x))^{5/2} \, dx=\frac {2 (d \cos (a+b x))^{9/2} \sqrt [4]{\cos ^2(a+b x)} \operatorname {Hypergeometric2F1}\left (-\frac {7}{4},\frac {7}{4},\frac {11}{4},\sin ^2(a+b x)\right ) \sec ^5(a+b x) (c \sin (a+b x))^{7/2}}{7 b c} \]
(2*(d*Cos[a + b*x])^(9/2)*(Cos[a + b*x]^2)^(1/4)*Hypergeometric2F1[-7/4, 7 /4, 11/4, Sin[a + b*x]^2]*Sec[a + b*x]^5*(c*Sin[a + b*x])^(7/2))/(7*b*c)
Time = 0.74 (sec) , antiderivative size = 181, normalized size of antiderivative = 1.09, number of steps used = 10, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {3042, 3048, 3042, 3049, 3042, 3049, 3042, 3052, 3042, 3119}
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.
\(\displaystyle \int (c \sin (a+b x))^{5/2} (d \cos (a+b x))^{9/2} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int (c \sin (a+b x))^{5/2} (d \cos (a+b x))^{9/2}dx\) |
\(\Big \downarrow \) 3048 |
\(\displaystyle \frac {3}{14} c^2 \int (d \cos (a+b x))^{9/2} \sqrt {c \sin (a+b x)}dx-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {3}{14} c^2 \int (d \cos (a+b x))^{9/2} \sqrt {c \sin (a+b x)}dx-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3049 |
\(\displaystyle \frac {3}{14} c^2 \left (\frac {7}{10} d^2 \int (d \cos (a+b x))^{5/2} \sqrt {c \sin (a+b x)}dx+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{7/2}}{5 b c}\right )-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {3}{14} c^2 \left (\frac {7}{10} d^2 \int (d \cos (a+b x))^{5/2} \sqrt {c \sin (a+b x)}dx+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{7/2}}{5 b c}\right )-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3049 |
\(\displaystyle \frac {3}{14} c^2 \left (\frac {7}{10} d^2 \left (\frac {1}{2} d^2 \int \sqrt {d \cos (a+b x)} \sqrt {c \sin (a+b x)}dx+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{3/2}}{3 b c}\right )+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{7/2}}{5 b c}\right )-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {3}{14} c^2 \left (\frac {7}{10} d^2 \left (\frac {1}{2} d^2 \int \sqrt {d \cos (a+b x)} \sqrt {c \sin (a+b x)}dx+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{3/2}}{3 b c}\right )+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{7/2}}{5 b c}\right )-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3052 |
\(\displaystyle \frac {3}{14} c^2 \left (\frac {7}{10} d^2 \left (\frac {d^2 \sqrt {c \sin (a+b x)} \sqrt {d \cos (a+b x)} \int \sqrt {\sin (2 a+2 b x)}dx}{2 \sqrt {\sin (2 a+2 b x)}}+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{3/2}}{3 b c}\right )+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{7/2}}{5 b c}\right )-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {3}{14} c^2 \left (\frac {7}{10} d^2 \left (\frac {d^2 \sqrt {c \sin (a+b x)} \sqrt {d \cos (a+b x)} \int \sqrt {\sin (2 a+2 b x)}dx}{2 \sqrt {\sin (2 a+2 b x)}}+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{3/2}}{3 b c}\right )+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{7/2}}{5 b c}\right )-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
\(\Big \downarrow \) 3119 |
\(\displaystyle \frac {3}{14} c^2 \left (\frac {7}{10} d^2 \left (\frac {d^2 E\left (\left .a+b x-\frac {\pi }{4}\right |2\right ) \sqrt {c \sin (a+b x)} \sqrt {d \cos (a+b x)}}{2 b \sqrt {\sin (2 a+2 b x)}}+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{3/2}}{3 b c}\right )+\frac {d (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{7/2}}{5 b c}\right )-\frac {c (c \sin (a+b x))^{3/2} (d \cos (a+b x))^{11/2}}{7 b d}\) |
-1/7*(c*(d*Cos[a + b*x])^(11/2)*(c*Sin[a + b*x])^(3/2))/(b*d) + (3*c^2*((d *(d*Cos[a + b*x])^(7/2)*(c*Sin[a + b*x])^(3/2))/(5*b*c) + (7*d^2*((d*(d*Co s[a + b*x])^(3/2)*(c*Sin[a + b*x])^(3/2))/(3*b*c) + (d^2*Sqrt[d*Cos[a + b* x]]*EllipticE[a - Pi/4 + b*x, 2]*Sqrt[c*Sin[a + b*x]])/(2*b*Sqrt[Sin[2*a + 2*b*x]])))/10))/14
3.3.76.3.1 Defintions of rubi rules used
Int[(cos[(e_.) + (f_.)*(x_)]*(b_.))^(n_)*((a_.)*sin[(e_.) + (f_.)*(x_)])^(m _), x_Symbol] :> Simp[(-a)*(b*Cos[e + f*x])^(n + 1)*((a*Sin[e + f*x])^(m - 1)/(b*f*(m + n))), x] + Simp[a^2*((m - 1)/(m + n)) Int[(b*Cos[e + f*x])^n *(a*Sin[e + f*x])^(m - 2), x], x] /; FreeQ[{a, b, e, f, n}, x] && GtQ[m, 1] && NeQ[m + n, 0] && IntegersQ[2*m, 2*n]
Int[(cos[(e_.) + (f_.)*(x_)]*(a_.))^(m_)*((b_.)*sin[(e_.) + (f_.)*(x_)])^(n _), x_Symbol] :> Simp[a*(b*Sin[e + f*x])^(n + 1)*((a*Cos[e + f*x])^(m - 1)/ (b*f*(m + n))), x] + Simp[a^2*((m - 1)/(m + n)) Int[(b*Sin[e + f*x])^n*(a *Cos[e + f*x])^(m - 2), x], x] /; FreeQ[{a, b, e, f, n}, x] && GtQ[m, 1] && NeQ[m + n, 0] && IntegersQ[2*m, 2*n]
Int[Sqrt[cos[(e_.) + (f_.)*(x_)]*(b_.)]*Sqrt[(a_.)*sin[(e_.) + (f_.)*(x_)]] , x_Symbol] :> Simp[Sqrt[a*Sin[e + f*x]]*(Sqrt[b*Cos[e + f*x]]/Sqrt[Sin[2*e + 2*f*x]]) Int[Sqrt[Sin[2*e + 2*f*x]], x], x] /; FreeQ[{a, b, e, f}, x]
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]
Leaf count of result is larger than twice the leaf count of optimal. \(438\) vs. \(2(165)=330\).
Time = 1.70 (sec) , antiderivative size = 439, normalized size of antiderivative = 2.64
method | result | size |
default | \(-\frac {\sqrt {2}\, \sqrt {d \cos \left (b x +a \right )}\, \sqrt {c \sin \left (b x +a \right )}\, \left (-40 \sqrt {2}\, \left (\cos ^{8}\left (b x +a \right )\right )+52 \sqrt {2}\, \left (\cos ^{6}\left (b x +a \right )\right )+42 \sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )}\, E\left (\sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}, \frac {\sqrt {2}}{2}\right ) \cos \left (b x +a \right )-21 \sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )}\, F\left (\sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}, \frac {\sqrt {2}}{2}\right ) \cos \left (b x +a \right )+2 \sqrt {2}\, \left (\cos ^{4}\left (b x +a \right )\right )+42 \sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )}\, E\left (\sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}, \frac {\sqrt {2}}{2}\right )-21 \sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )+1}\, \sqrt {\cot \left (b x +a \right )-\csc \left (b x +a \right )}\, F\left (\sqrt {-\cot \left (b x +a \right )+\csc \left (b x +a \right )+1}, \frac {\sqrt {2}}{2}\right )+7 \sqrt {2}\, \left (\cos ^{2}\left (b x +a \right )\right )-21 \sqrt {2}\, \cos \left (b x +a \right )\right ) d^{4} c^{2} \sec \left (b x +a \right ) \csc \left (b x +a \right )}{560 b}\) | \(439\) |
-1/560/b*2^(1/2)*(d*cos(b*x+a))^(1/2)*(c*sin(b*x+a))^(1/2)*(-40*2^(1/2)*co s(b*x+a)^8+52*2^(1/2)*cos(b*x+a)^6+42*(-cot(b*x+a)+csc(b*x+a)+1)^(1/2)*(co t(b*x+a)-csc(b*x+a)+1)^(1/2)*(cot(b*x+a)-csc(b*x+a))^(1/2)*EllipticE((-cot (b*x+a)+csc(b*x+a)+1)^(1/2),1/2*2^(1/2))*cos(b*x+a)-21*(-cot(b*x+a)+csc(b* x+a)+1)^(1/2)*(cot(b*x+a)-csc(b*x+a)+1)^(1/2)*(cot(b*x+a)-csc(b*x+a))^(1/2 )*EllipticF((-cot(b*x+a)+csc(b*x+a)+1)^(1/2),1/2*2^(1/2))*cos(b*x+a)+2*2^( 1/2)*cos(b*x+a)^4+42*(-cot(b*x+a)+csc(b*x+a)+1)^(1/2)*(cot(b*x+a)-csc(b*x+ a)+1)^(1/2)*(cot(b*x+a)-csc(b*x+a))^(1/2)*EllipticE((-cot(b*x+a)+csc(b*x+a )+1)^(1/2),1/2*2^(1/2))-21*(-cot(b*x+a)+csc(b*x+a)+1)^(1/2)*(cot(b*x+a)-cs c(b*x+a)+1)^(1/2)*(cot(b*x+a)-csc(b*x+a))^(1/2)*EllipticF((-cot(b*x+a)+csc (b*x+a)+1)^(1/2),1/2*2^(1/2))+7*2^(1/2)*cos(b*x+a)^2-21*2^(1/2)*cos(b*x+a) )*d^4*c^2*sec(b*x+a)*csc(b*x+a)
\[ \int (d \cos (a+b x))^{9/2} (c \sin (a+b x))^{5/2} \, dx=\int { \left (d \cos \left (b x + a\right )\right )^{\frac {9}{2}} \left (c \sin \left (b x + a\right )\right )^{\frac {5}{2}} \,d x } \]
integral(-(c^2*d^4*cos(b*x + a)^6 - c^2*d^4*cos(b*x + a)^4)*sqrt(d*cos(b*x + a))*sqrt(c*sin(b*x + a)), x)
Timed out. \[ \int (d \cos (a+b x))^{9/2} (c \sin (a+b x))^{5/2} \, dx=\text {Timed out} \]
\[ \int (d \cos (a+b x))^{9/2} (c \sin (a+b x))^{5/2} \, dx=\int { \left (d \cos \left (b x + a\right )\right )^{\frac {9}{2}} \left (c \sin \left (b x + a\right )\right )^{\frac {5}{2}} \,d x } \]
\[ \int (d \cos (a+b x))^{9/2} (c \sin (a+b x))^{5/2} \, dx=\int { \left (d \cos \left (b x + a\right )\right )^{\frac {9}{2}} \left (c \sin \left (b x + a\right )\right )^{\frac {5}{2}} \,d x } \]
Timed out. \[ \int (d \cos (a+b x))^{9/2} (c \sin (a+b x))^{5/2} \, dx=\int {\left (d\,\cos \left (a+b\,x\right )\right )}^{9/2}\,{\left (c\,\sin \left (a+b\,x\right )\right )}^{5/2} \,d x \]