Integrand size = 24, antiderivative size = 131 \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\frac {\left (\sqrt {a}+\sqrt {b}\right )^3 \arctan \left (\frac {\sqrt [4]{b} \sin (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} b^{7/4} d}-\frac {\left (\sqrt {a}-\sqrt {b}\right )^3 \text {arctanh}\left (\frac {\sqrt [4]{b} \sin (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} b^{7/4} d}-\frac {3 \sin (c+d x)}{b d}+\frac {\sin ^3(c+d x)}{3 b d} \]
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Time = 0.20 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.208, Rules used = {3302, 1185, 1181, 211, 214} \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\frac {\left (\sqrt {a}+\sqrt {b}\right )^3 \arctan \left (\frac {\sqrt [4]{b} \sin (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} b^{7/4} d}-\frac {\left (\sqrt {a}-\sqrt {b}\right )^3 \text {arctanh}\left (\frac {\sqrt [4]{b} \sin (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} b^{7/4} d}+\frac {\sin ^3(c+d x)}{3 b d}-\frac {3 \sin (c+d x)}{b d} \]
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Rule 211
Rule 214
Rule 1181
Rule 1185
Rule 3302
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\left (1-x^2\right )^3}{a-b x^4} \, dx,x,\sin (c+d x)\right )}{d} \\ & = \frac {\text {Subst}\left (\int \left (-\frac {3}{b}+\frac {x^2}{b}+\frac {3 a+b-(a+3 b) x^2}{b \left (a-b x^4\right )}\right ) \, dx,x,\sin (c+d x)\right )}{d} \\ & = -\frac {3 \sin (c+d x)}{b d}+\frac {\sin ^3(c+d x)}{3 b d}+\frac {\text {Subst}\left (\int \frac {3 a+b+(-a-3 b) x^2}{a-b x^4} \, dx,x,\sin (c+d x)\right )}{b d} \\ & = -\frac {3 \sin (c+d x)}{b d}+\frac {\sin ^3(c+d x)}{3 b d}-\frac {\left (\sqrt {a}-\sqrt {b}\right )^3 \text {Subst}\left (\int \frac {1}{\sqrt {a} \sqrt {b}-b x^2} \, dx,x,\sin (c+d x)\right )}{2 \sqrt {a} b d}-\frac {\left (\sqrt {a}+\sqrt {b}\right )^3 \text {Subst}\left (\int \frac {1}{-\sqrt {a} \sqrt {b}-b x^2} \, dx,x,\sin (c+d x)\right )}{2 \sqrt {a} b d} \\ & = \frac {\left (\sqrt {a}+\sqrt {b}\right )^3 \arctan \left (\frac {\sqrt [4]{b} \sin (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} b^{7/4} d}-\frac {\left (\sqrt {a}-\sqrt {b}\right )^3 \text {arctanh}\left (\frac {\sqrt [4]{b} \sin (c+d x)}{\sqrt [4]{a}}\right )}{2 a^{3/4} b^{7/4} d}-\frac {3 \sin (c+d x)}{b d}+\frac {\sin ^3(c+d x)}{3 b d} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.28 (sec) , antiderivative size = 207, normalized size of antiderivative = 1.58 \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\frac {3 \left (\sqrt {a}-\sqrt {b}\right )^3 \log \left (\sqrt [4]{a}-\sqrt [4]{b} \sin (c+d x)\right )+3 i \left (\sqrt {a}+\sqrt {b}\right )^3 \log \left (\sqrt [4]{a}-i \sqrt [4]{b} \sin (c+d x)\right )-3 i \left (\sqrt {a}+\sqrt {b}\right )^3 \log \left (\sqrt [4]{a}+i \sqrt [4]{b} \sin (c+d x)\right )-3 \left (\sqrt {a}-\sqrt {b}\right )^3 \log \left (\sqrt [4]{a}+\sqrt [4]{b} \sin (c+d x)\right )-36 a^{3/4} b^{3/4} \sin (c+d x)+4 a^{3/4} b^{3/4} \sin ^3(c+d x)}{12 a^{3/4} b^{7/4} d} \]
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Time = 1.97 (sec) , antiderivative size = 178, normalized size of antiderivative = 1.36
method | result | size |
derivativedivides | \(-\frac {-\frac {\frac {\left (\sin ^{3}\left (d x +c \right )\right )}{3}-3 \sin \left (d x +c \right )}{b}+\frac {\frac {\left (-3 a -b \right ) \left (\frac {a}{b}\right )^{\frac {1}{4}} \left (\ln \left (\frac {\sin \left (d x +c \right )+\left (\frac {a}{b}\right )^{\frac {1}{4}}}{\sin \left (d x +c \right )-\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )+2 \arctan \left (\frac {\sin \left (d x +c \right )}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )\right )}{4 a}-\frac {\left (a +3 b \right ) \left (2 \arctan \left (\frac {\sin \left (d x +c \right )}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )-\ln \left (\frac {\sin \left (d x +c \right )+\left (\frac {a}{b}\right )^{\frac {1}{4}}}{\sin \left (d x +c \right )-\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )\right )}{4 b \left (\frac {a}{b}\right )^{\frac {1}{4}}}}{b}}{d}\) | \(178\) |
default | \(-\frac {-\frac {\frac {\left (\sin ^{3}\left (d x +c \right )\right )}{3}-3 \sin \left (d x +c \right )}{b}+\frac {\frac {\left (-3 a -b \right ) \left (\frac {a}{b}\right )^{\frac {1}{4}} \left (\ln \left (\frac {\sin \left (d x +c \right )+\left (\frac {a}{b}\right )^{\frac {1}{4}}}{\sin \left (d x +c \right )-\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )+2 \arctan \left (\frac {\sin \left (d x +c \right )}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )\right )}{4 a}-\frac {\left (a +3 b \right ) \left (2 \arctan \left (\frac {\sin \left (d x +c \right )}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )-\ln \left (\frac {\sin \left (d x +c \right )+\left (\frac {a}{b}\right )^{\frac {1}{4}}}{\sin \left (d x +c \right )-\left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )\right )}{4 b \left (\frac {a}{b}\right )^{\frac {1}{4}}}}{b}}{d}\) | \(178\) |
risch | \(\frac {11 i {\mathrm e}^{i \left (d x +c \right )}}{8 b d}-\frac {11 i {\mathrm e}^{-i \left (d x +c \right )}}{8 b d}+\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (256 a^{3} b^{7} d^{4} \textit {\_Z}^{4}+\left (192 a^{4} b^{4} d^{2}+640 a^{3} b^{5} d^{2}+192 a^{2} b^{6} d^{2}\right ) \textit {\_Z}^{2}-a^{6}+6 a^{5} b -15 a^{4} b^{2}+20 a^{3} b^{3}-15 a^{2} b^{4}+6 a \,b^{5}-b^{6}\right )}{\sum }\textit {\_R} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+\left (\left (-\frac {128 i a^{4} b^{5} d^{3}}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}-\frac {384 i a^{3} b^{6} d^{3}}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}\right ) \textit {\_R}^{3}+\left (-\frac {72 i a^{5} b^{2} d}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}-\frac {672 i a^{4} b^{3} d}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}-\frac {1008 i a^{3} b^{4} d}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}-\frac {288 i a^{2} b^{5} d}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}-\frac {8 i a \,b^{6} d}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}\right ) \textit {\_R} \right ) {\mathrm e}^{i \left (d x +c \right )}-\frac {a^{6}}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}-\frac {12 a^{5} b}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}+\frac {27 a^{4} b^{2}}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}-\frac {27 a^{2} b^{4}}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}+\frac {12 a \,b^{5}}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}+\frac {b^{6}}{a^{6}+12 a^{5} b -27 a^{4} b^{2}+27 a^{2} b^{4}-12 a \,b^{5}-b^{6}}\right )\right )-\frac {\sin \left (3 d x +3 c \right )}{12 d b}\) | \(806\) |
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Leaf count of result is larger than twice the leaf count of optimal. 1429 vs. \(2 (101) = 202\).
Time = 0.60 (sec) , antiderivative size = 1429, normalized size of antiderivative = 10.91 \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\text {Timed out} \]
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none
Time = 0.34 (sec) , antiderivative size = 177, normalized size of antiderivative = 1.35 \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\frac {\frac {4 \, {\left (\sin \left (d x + c\right )^{3} - 9 \, \sin \left (d x + c\right )\right )}}{b} + \frac {3 \, {\left (\frac {2 \, {\left (b {\left (3 \, \sqrt {a} + \sqrt {b}\right )} + a^{\frac {3}{2}} + 3 \, a \sqrt {b}\right )} \arctan \left (\frac {\sqrt {b} \sin \left (d x + c\right )}{\sqrt {\sqrt {a} \sqrt {b}}}\right )}{\sqrt {a} \sqrt {\sqrt {a} \sqrt {b}} \sqrt {b}} + \frac {{\left (b {\left (3 \, \sqrt {a} - \sqrt {b}\right )} + a^{\frac {3}{2}} - 3 \, a \sqrt {b}\right )} \log \left (\frac {\sqrt {b} \sin \left (d x + c\right ) - \sqrt {\sqrt {a} \sqrt {b}}}{\sqrt {b} \sin \left (d x + c\right ) + \sqrt {\sqrt {a} \sqrt {b}}}\right )}{\sqrt {a} \sqrt {\sqrt {a} \sqrt {b}} \sqrt {b}}\right )}}{b}}{12 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 360 vs. \(2 (101) = 202\).
Time = 0.72 (sec) , antiderivative size = 360, normalized size of antiderivative = 2.75 \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\frac {\frac {8 \, {\left (b^{2} \sin \left (d x + c\right )^{3} - 9 \, b^{2} \sin \left (d x + c\right )\right )}}{b^{3}} - \frac {6 \, \sqrt {2} {\left (\left (-a b^{3}\right )^{\frac {3}{4}} {\left (a + 3 \, b\right )} - \left (-a b^{3}\right )^{\frac {1}{4}} {\left (3 \, a b^{2} + b^{3}\right )}\right )} \arctan \left (\frac {\sqrt {2} {\left (\sqrt {2} \left (-\frac {a}{b}\right )^{\frac {1}{4}} + 2 \, \sin \left (d x + c\right )\right )}}{2 \, \left (-\frac {a}{b}\right )^{\frac {1}{4}}}\right )}{a b^{4}} - \frac {6 \, \sqrt {2} {\left (\left (-a b^{3}\right )^{\frac {3}{4}} {\left (a + 3 \, b\right )} - \left (-a b^{3}\right )^{\frac {1}{4}} {\left (3 \, a b^{2} + b^{3}\right )}\right )} \arctan \left (-\frac {\sqrt {2} {\left (\sqrt {2} \left (-\frac {a}{b}\right )^{\frac {1}{4}} - 2 \, \sin \left (d x + c\right )\right )}}{2 \, \left (-\frac {a}{b}\right )^{\frac {1}{4}}}\right )}{a b^{4}} + \frac {3 \, \sqrt {2} {\left (\left (-a b^{3}\right )^{\frac {3}{4}} {\left (a + 3 \, b\right )} + \left (-a b^{3}\right )^{\frac {1}{4}} {\left (3 \, a b^{2} + b^{3}\right )}\right )} \log \left (\sin \left (d x + c\right )^{2} + \sqrt {2} \left (-\frac {a}{b}\right )^{\frac {1}{4}} \sin \left (d x + c\right ) + \sqrt {-\frac {a}{b}}\right )}{a b^{4}} - \frac {3 \, \sqrt {2} {\left (\left (-a b^{3}\right )^{\frac {3}{4}} {\left (a + 3 \, b\right )} + \left (-a b^{3}\right )^{\frac {1}{4}} {\left (3 \, a b^{2} + b^{3}\right )}\right )} \log \left (\sin \left (d x + c\right )^{2} - \sqrt {2} \left (-\frac {a}{b}\right )^{\frac {1}{4}} \sin \left (d x + c\right ) + \sqrt {-\frac {a}{b}}\right )}{a b^{4}}}{24 \, d} \]
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Time = 0.76 (sec) , antiderivative size = 1931, normalized size of antiderivative = 14.74 \[ \int \frac {\cos ^7(c+d x)}{a-b \sin ^4(c+d x)} \, dx=\text {Too large to display} \]
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