Integrand size = 25, antiderivative size = 103 \[ \int (e \cos (c+d x))^p (a+a \sin (c+d x))^{7/2} \, dx=-\frac {2^{4+\frac {p}{2}} a^4 (e \cos (c+d x))^{1+p} \operatorname {Hypergeometric2F1}\left (\frac {1}{2} (-6-p),\frac {1+p}{2},\frac {3+p}{2},\frac {1}{2} (1-\sin (c+d x))\right ) (1+\sin (c+d x))^{-p/2}}{d e (1+p) \sqrt {a+a \sin (c+d x)}} \]
-2^(4+1/2*p)*a^4*(e*cos(d*x+c))^(p+1)*hypergeom([-3-1/2*p, 1/2+1/2*p],[3/2 +1/2*p],1/2-1/2*sin(d*x+c))/d/e/(p+1)/((1+sin(d*x+c))^(1/2*p))/(a+a*sin(d* x+c))^(1/2)
Time = 0.16 (sec) , antiderivative size = 102, normalized size of antiderivative = 0.99 \[ \int (e \cos (c+d x))^p (a+a \sin (c+d x))^{7/2} \, dx=-\frac {2^{4+\frac {p}{2}} a^4 \cos (c+d x) (e \cos (c+d x))^p \operatorname {Hypergeometric2F1}\left (-3-\frac {p}{2},\frac {1+p}{2},\frac {3+p}{2},\frac {1}{2} (1-\sin (c+d x))\right ) (1+\sin (c+d x))^{-p/2}}{d (1+p) \sqrt {a (1+\sin (c+d x))}} \]
-((2^(4 + p/2)*a^4*Cos[c + d*x]*(e*Cos[c + d*x])^p*Hypergeometric2F1[-3 - p/2, (1 + p)/2, (3 + p)/2, (1 - Sin[c + d*x])/2])/(d*(1 + p)*(1 + Sin[c + d*x])^(p/2)*Sqrt[a*(1 + Sin[c + d*x])]))
Time = 0.35 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.40, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.160, Rules used = {3042, 3168, 80, 79}
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.
\(\displaystyle \int (a \sin (c+d x)+a)^{7/2} (e \cos (c+d x))^p \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int (a \sin (c+d x)+a)^{7/2} (e \cos (c+d x))^pdx\) |
\(\Big \downarrow \) 3168 |
\(\displaystyle \frac {a^2 (a-a \sin (c+d x))^{\frac {1}{2} (-p-1)} (a \sin (c+d x)+a)^{\frac {1}{2} (-p-1)} (e \cos (c+d x))^{p+1} \int (a-a \sin (c+d x))^{\frac {p-1}{2}} (\sin (c+d x) a+a)^{\frac {p+6}{2}}d\sin (c+d x)}{d e}\) |
\(\Big \downarrow \) 80 |
\(\displaystyle \frac {a^5 2^{\frac {p}{2}+3} (\sin (c+d x)+1)^{-p/2} (a-a \sin (c+d x))^{\frac {1}{2} (-p-1)} (a \sin (c+d x)+a)^{\frac {1}{2} (-p-1)+\frac {p}{2}} (e \cos (c+d x))^{p+1} \int \left (\frac {1}{2} \sin (c+d x)+\frac {1}{2}\right )^{\frac {p+6}{2}} (a-a \sin (c+d x))^{\frac {p-1}{2}}d\sin (c+d x)}{d e}\) |
\(\Big \downarrow \) 79 |
\(\displaystyle -\frac {a^4 2^{\frac {p}{2}+4} (\sin (c+d x)+1)^{-p/2} (a-a \sin (c+d x))^{\frac {1}{2} (-p-1)+\frac {p+1}{2}} (a \sin (c+d x)+a)^{\frac {1}{2} (-p-1)+\frac {p}{2}} (e \cos (c+d x))^{p+1} \operatorname {Hypergeometric2F1}\left (\frac {1}{2} (-p-6),\frac {p+1}{2},\frac {p+3}{2},\frac {1}{2} (1-\sin (c+d x))\right )}{d e (p+1)}\) |
-((2^(4 + p/2)*a^4*(e*Cos[c + d*x])^(1 + p)*Hypergeometric2F1[(-6 - p)/2, (1 + p)/2, (3 + p)/2, (1 - Sin[c + d*x])/2]*(a - a*Sin[c + d*x])^((-1 - p) /2 + (1 + p)/2)*(a + a*Sin[c + d*x])^((-1 - p)/2 + p/2))/(d*e*(1 + p)*(1 + Sin[c + d*x])^(p/2)))
3.4.35.3.1 Defintions of rubi rules used
Int[((a_) + (b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(( a + b*x)^(m + 1)/(b*(m + 1)*(b/(b*c - a*d))^n))*Hypergeometric2F1[-n, m + 1 , m + 2, (-d)*((a + b*x)/(b*c - a*d))], x] /; FreeQ[{a, b, c, d, m, n}, x] && !IntegerQ[m] && !IntegerQ[n] && GtQ[b/(b*c - a*d), 0] && (RationalQ[m] || !(RationalQ[n] && GtQ[-d/(b*c - a*d), 0]))
Int[((a_) + (b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(c + d*x)^FracPart[n]/((b/(b*c - a*d))^IntPart[n]*(b*((c + d*x)/(b*c - a*d))) ^FracPart[n]) Int[(a + b*x)^m*Simp[b*(c/(b*c - a*d)) + b*d*(x/(b*c - a*d) ), x]^n, x], x] /; FreeQ[{a, b, c, d, m, n}, x] && !IntegerQ[m] && !Integ erQ[n] && (RationalQ[m] || !SimplerQ[n + 1, m + 1])
Int[(cos[(e_.) + (f_.)*(x_)]*(g_.))^(p_)*((a_) + (b_.)*sin[(e_.) + (f_.)*(x _)])^(m_.), x_Symbol] :> Simp[a^2*((g*Cos[e + f*x])^(p + 1)/(f*g*(a + b*Sin [e + f*x])^((p + 1)/2)*(a - b*Sin[e + f*x])^((p + 1)/2))) Subst[Int[(a + b*x)^(m + (p - 1)/2)*(a - b*x)^((p - 1)/2), x], x, Sin[e + f*x]], x] /; Fre eQ[{a, b, e, f, g, m, p}, x] && EqQ[a^2 - b^2, 0] && !IntegerQ[m]
\[\int \left (e \cos \left (d x +c \right )\right )^{p} \left (a +a \sin \left (d x +c \right )\right )^{\frac {7}{2}}d x\]
\[ \int (e \cos (c+d x))^p (a+a \sin (c+d x))^{7/2} \, dx=\int { {\left (a \sin \left (d x + c\right ) + a\right )}^{\frac {7}{2}} \left (e \cos \left (d x + c\right )\right )^{p} \,d x } \]
integral(-(3*a^3*cos(d*x + c)^2 - 4*a^3 + (a^3*cos(d*x + c)^2 - 4*a^3)*sin (d*x + c))*sqrt(a*sin(d*x + c) + a)*(e*cos(d*x + c))^p, x)
Timed out. \[ \int (e \cos (c+d x))^p (a+a \sin (c+d x))^{7/2} \, dx=\text {Timed out} \]
\[ \int (e \cos (c+d x))^p (a+a \sin (c+d x))^{7/2} \, dx=\int { {\left (a \sin \left (d x + c\right ) + a\right )}^{\frac {7}{2}} \left (e \cos \left (d x + c\right )\right )^{p} \,d x } \]
\[ \int (e \cos (c+d x))^p (a+a \sin (c+d x))^{7/2} \, dx=\int { {\left (a \sin \left (d x + c\right ) + a\right )}^{\frac {7}{2}} \left (e \cos \left (d x + c\right )\right )^{p} \,d x } \]
Timed out. \[ \int (e \cos (c+d x))^p (a+a \sin (c+d x))^{7/2} \, dx=\int {\left (e\,\cos \left (c+d\,x\right )\right )}^p\,{\left (a+a\,\sin \left (c+d\,x\right )\right )}^{7/2} \,d x \]