Integrand size = 29, antiderivative size = 652 \[ \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx=-\frac {2 c (c+d) \cot (e+f x) \operatorname {EllipticPi}\left (\frac {a (c+d)}{(a+b) c},\arcsin \left (\sqrt {\frac {(a+b) (c+d \sec (e+f x))}{(c+d) (a+b \sec (e+f x))}}\right ),\frac {(a-b) (c+d)}{(a+b) (c-d)}\right ) \sqrt {\frac {(b c-a d) (1+\sec (e+f x))}{(c-d) (a+b \sec (e+f x))}} (a+b \sec (e+f x))^{3/2} \sqrt {\frac {(a+b) (b c-a d) (-1+\sec (e+f x)) (c+d \sec (e+f x))}{(c+d)^2 (a+b \sec (e+f x))^2}}}{a (a+b) f \sqrt {c+d \sec (e+f x)}}+\frac {2 d (c+d) \cot (e+f x) \operatorname {EllipticPi}\left (\frac {b (c+d)}{(a+b) d},\arcsin \left (\sqrt {\frac {(a+b) (c+d \sec (e+f x))}{(c+d) (a+b \sec (e+f x))}}\right ),\frac {(a-b) (c+d)}{(a+b) (c-d)}\right ) \sqrt {\frac {(b c-a d) (1+\sec (e+f x))}{(c-d) (a+b \sec (e+f x))}} (a+b \sec (e+f x))^{3/2} \sqrt {-\frac {(a+b) (-b c+a d) (-1+\sec (e+f x)) (c+d \sec (e+f x))}{(c+d)^2 (a+b \sec (e+f x))^2}}}{b (a+b) f \sqrt {c+d \sec (e+f x)}}+\frac {2 (b c-a d) \cot (e+f x) \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {(a+b) (c+d \sec (e+f x))}{(c+d) (a+b \sec (e+f x))}}\right ),\frac {(a-b) (c+d)}{(a+b) (c-d)}\right ) \sqrt {\frac {(b c-a d) (-1+\sec (e+f x))}{(c+d) (a+b \sec (e+f x))}} \sqrt {\frac {(b c-a d) (1+\sec (e+f x))}{(c-d) (a+b \sec (e+f x))}} \sqrt {a+b \sec (e+f x)} \sqrt {c+d \sec (e+f x)}}{a b f \sqrt {\frac {(a+b) (c+d \sec (e+f x))}{(c+d) (a+b \sec (e+f x))}}} \]
-2*c*(c+d)*cot(f*x+e)*EllipticPi(((a+b)*(c+d*sec(f*x+e))/(c+d)/(a+b*sec(f* x+e)))^(1/2),a*(c+d)/(a+b)/c,((a-b)*(c+d)/(a+b)/(c-d))^(1/2))*(a+b*sec(f*x +e))^(3/2)*((-a*d+b*c)*(1+sec(f*x+e))/(c-d)/(a+b*sec(f*x+e)))^(1/2)*((a+b) *(-a*d+b*c)*(-1+sec(f*x+e))*(c+d*sec(f*x+e))/(c+d)^2/(a+b*sec(f*x+e))^2)^( 1/2)/a/(a+b)/f/(c+d*sec(f*x+e))^(1/2)+2*d*(c+d)*cot(f*x+e)*EllipticPi(((a+ b)*(c+d*sec(f*x+e))/(c+d)/(a+b*sec(f*x+e)))^(1/2),b*(c+d)/(a+b)/d,((a-b)*( c+d)/(a+b)/(c-d))^(1/2))*(a+b*sec(f*x+e))^(3/2)*((-a*d+b*c)*(1+sec(f*x+e)) /(c-d)/(a+b*sec(f*x+e)))^(1/2)*(-(a+b)*(a*d-b*c)*(-1+sec(f*x+e))*(c+d*sec( f*x+e))/(c+d)^2/(a+b*sec(f*x+e))^2)^(1/2)/b/(a+b)/f/(c+d*sec(f*x+e))^(1/2) +2*(-a*d+b*c)*cot(f*x+e)*EllipticF(((a+b)*(c+d*sec(f*x+e))/(c+d)/(a+b*sec( f*x+e)))^(1/2),((a-b)*(c+d)/(a+b)/(c-d))^(1/2))*((-a*d+b*c)*(-1+sec(f*x+e) )/(c+d)/(a+b*sec(f*x+e)))^(1/2)*((-a*d+b*c)*(1+sec(f*x+e))/(c-d)/(a+b*sec( f*x+e)))^(1/2)*(a+b*sec(f*x+e))^(1/2)*(c+d*sec(f*x+e))^(1/2)/a/b/f/((a+b)* (c+d*sec(f*x+e))/(c+d)/(a+b*sec(f*x+e)))^(1/2)
Result contains complex when optimal does not.
Time = 37.55 (sec) , antiderivative size = 50041, normalized size of antiderivative = 76.75 \[ \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx=\text {Result too large to show} \]
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.
\(\displaystyle \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {\left (c+d \csc \left (e+f x+\frac {\pi }{2}\right )\right )^{3/2}}{\sqrt {a+b \csc \left (e+f x+\frac {\pi }{2}\right )}}dx\) |
\(\Big \downarrow \) 4433 |
\(\displaystyle \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}}dx\) |
3.3.17.3.1 Defintions of rubi rules used
Int[(csc[(e_.) + (f_.)*(x_)]*(b_.) + (a_))^(m_.)*(csc[(e_.) + (f_.)*(x_)]*( d_.) + (c_))^(n_.), x_Symbol] :> Unintegrable[(a + b*Csc[e + f*x])^m*(c + d *Csc[e + f*x])^n, x] /; FreeQ[{a, b, c, d, e, f, m, n}, x]
Time = 17.07 (sec) , antiderivative size = 457, normalized size of antiderivative = 0.70
method | result | size |
default | \(-\frac {2 \sqrt {c +d \sec \left (f x +e \right )}\, \sqrt {a +b \sec \left (f x +e \right )}\, \sqrt {\frac {b +a \cos \left (f x +e \right )}{\left (a +b \right ) \left (\cos \left (f x +e \right )+1\right )}}\, \sqrt {\frac {d +c \cos \left (f x +e \right )}{\left (c +d \right ) \left (\cos \left (f x +e \right )+1\right )}}\, \left (\operatorname {EllipticF}\left (\sqrt {\frac {a -b}{a +b}}\, \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), \sqrt {\frac {\left (a +b \right ) \left (c -d \right )}{\left (a -b \right ) \left (c +d \right )}}\right ) c^{2}-2 \operatorname {EllipticF}\left (\sqrt {\frac {a -b}{a +b}}\, \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), \sqrt {\frac {\left (a +b \right ) \left (c -d \right )}{\left (a -b \right ) \left (c +d \right )}}\right ) c d +\operatorname {EllipticF}\left (\sqrt {\frac {a -b}{a +b}}\, \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), \sqrt {\frac {\left (a +b \right ) \left (c -d \right )}{\left (a -b \right ) \left (c +d \right )}}\right ) d^{2}-2 \operatorname {EllipticPi}\left (\sqrt {\frac {a -b}{a +b}}\, \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), \frac {a +b}{a -b}, \frac {\sqrt {\frac {c -d}{c +d}}}{\sqrt {\frac {a -b}{a +b}}}\right ) d^{2}-2 \operatorname {EllipticPi}\left (\sqrt {\frac {a -b}{a +b}}\, \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), -\frac {a +b}{a -b}, \frac {\sqrt {\frac {c -d}{c +d}}}{\sqrt {\frac {a -b}{a +b}}}\right ) c^{2}\right ) \left (\cos \left (f x +e \right )^{2}+\cos \left (f x +e \right )\right )}{f \sqrt {\frac {a -b}{a +b}}\, \left (d +c \cos \left (f x +e \right )\right ) \left (b +a \cos \left (f x +e \right )\right )}\) | \(457\) |
-2/f/((a-b)/(a+b))^(1/2)*(c+d*sec(f*x+e))^(1/2)*(a+b*sec(f*x+e))^(1/2)*(1/ (a+b)*(b+a*cos(f*x+e))/(cos(f*x+e)+1))^(1/2)*(1/(c+d)*(d+c*cos(f*x+e))/(co s(f*x+e)+1))^(1/2)*(EllipticF(((a-b)/(a+b))^(1/2)*(-cot(f*x+e)+csc(f*x+e)) ,((a+b)*(c-d)/(a-b)/(c+d))^(1/2))*c^2-2*EllipticF(((a-b)/(a+b))^(1/2)*(-co t(f*x+e)+csc(f*x+e)),((a+b)*(c-d)/(a-b)/(c+d))^(1/2))*c*d+EllipticF(((a-b) /(a+b))^(1/2)*(-cot(f*x+e)+csc(f*x+e)),((a+b)*(c-d)/(a-b)/(c+d))^(1/2))*d^ 2-2*EllipticPi(((a-b)/(a+b))^(1/2)*(-cot(f*x+e)+csc(f*x+e)),(a+b)/(a-b),(( c-d)/(c+d))^(1/2)/((a-b)/(a+b))^(1/2))*d^2-2*EllipticPi(((a-b)/(a+b))^(1/2 )*(-cot(f*x+e)+csc(f*x+e)),-(a+b)/(a-b),((c-d)/(c+d))^(1/2)/((a-b)/(a+b))^ (1/2))*c^2)/(d+c*cos(f*x+e))/(b+a*cos(f*x+e))*(cos(f*x+e)^2+cos(f*x+e))
Timed out. \[ \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx=\text {Timed out} \]
\[ \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx=\int \frac {\left (c + d \sec {\left (e + f x \right )}\right )^{\frac {3}{2}}}{\sqrt {a + b \sec {\left (e + f x \right )}}}\, dx \]
\[ \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx=\int { \frac {{\left (d \sec \left (f x + e\right ) + c\right )}^{\frac {3}{2}}}{\sqrt {b \sec \left (f x + e\right ) + a}} \,d x } \]
\[ \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx=\int { \frac {{\left (d \sec \left (f x + e\right ) + c\right )}^{\frac {3}{2}}}{\sqrt {b \sec \left (f x + e\right ) + a}} \,d x } \]
Timed out. \[ \int \frac {(c+d \sec (e+f x))^{3/2}}{\sqrt {a+b \sec (e+f x)}} \, dx=\int \frac {{\left (c+\frac {d}{\cos \left (e+f\,x\right )}\right )}^{3/2}}{\sqrt {a+\frac {b}{\cos \left (e+f\,x\right )}}} \,d x \]