3.1556 \(\int \frac {\sec (c+d x) (A+B \sin (c+d x))}{(a+b \sin (c+d x))^2} \, dx\)

Optimal. Leaf size=135 \[ \frac {A b-a B}{d \left (a^2-b^2\right ) (a+b \sin (c+d x))}-\frac {\left (a^2 (-B)+2 a A b-b^2 B\right ) \log (a+b \sin (c+d x))}{d \left (a^2-b^2\right )^2}-\frac {(A+B) \log (1-\sin (c+d x))}{2 d (a+b)^2}+\frac {(A-B) \log (\sin (c+d x)+1)}{2 d (a-b)^2} \]

[Out]

-1/2*(A+B)*ln(1-sin(d*x+c))/(a+b)^2/d+1/2*(A-B)*ln(1+sin(d*x+c))/(a-b)^2/d-(2*A*a*b-B*a^2-B*b^2)*ln(a+b*sin(d*
x+c))/(a^2-b^2)^2/d+(A*b-B*a)/(a^2-b^2)/d/(a+b*sin(d*x+c))

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Rubi [A]  time = 0.19, antiderivative size = 135, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 29, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.069, Rules used = {2837, 801} \[ \frac {A b-a B}{d \left (a^2-b^2\right ) (a+b \sin (c+d x))}-\frac {\left (a^2 (-B)+2 a A b-b^2 B\right ) \log (a+b \sin (c+d x))}{d \left (a^2-b^2\right )^2}-\frac {(A+B) \log (1-\sin (c+d x))}{2 d (a+b)^2}+\frac {(A-B) \log (\sin (c+d x)+1)}{2 d (a-b)^2} \]

Antiderivative was successfully verified.

[In]

Int[(Sec[c + d*x]*(A + B*Sin[c + d*x]))/(a + b*Sin[c + d*x])^2,x]

[Out]

-((A + B)*Log[1 - Sin[c + d*x]])/(2*(a + b)^2*d) + ((A - B)*Log[1 + Sin[c + d*x]])/(2*(a - b)^2*d) - ((2*a*A*b
- a^2*B - b^2*B)*Log[a + b*Sin[c + d*x]])/((a^2 - b^2)^2*d) + (A*b - a*B)/((a^2 - b^2)*d*(a + b*Sin[c + d*x])
)

Rule 801

Int[(((d_.) + (e_.)*(x_))^(m_)*((f_.) + (g_.)*(x_)))/((a_) + (c_.)*(x_)^2), x_Symbol] :> Int[ExpandIntegrand[(
(d + e*x)^m*(f + g*x))/(a + c*x^2), x], x] /; FreeQ[{a, c, d, e, f, g}, x] && NeQ[c*d^2 + a*e^2, 0] && Integer
Q[m]

Rule 2837

Int[cos[(e_.) + (f_.)*(x_)]^(p_)*((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)])^(m_.)*((c_.) + (d_.)*sin[(e_.) + (f_.)
*(x_)])^(n_.), x_Symbol] :> Dist[1/(b^p*f), Subst[Int[(a + x)^m*(c + (d*x)/b)^n*(b^2 - x^2)^((p - 1)/2), x], x
, b*Sin[e + f*x]], x] /; FreeQ[{a, b, c, d, e, f, m, n}, x] && IntegerQ[(p - 1)/2] && NeQ[a^2 - b^2, 0]

Rubi steps

\begin {align*} \int \frac {\sec (c+d x) (A+B \sin (c+d x))}{(a+b \sin (c+d x))^2} \, dx &=\frac {b \operatorname {Subst}\left (\int \frac {A+\frac {B x}{b}}{(a+x)^2 \left (b^2-x^2\right )} \, dx,x,b \sin (c+d x)\right )}{d}\\ &=\frac {b \operatorname {Subst}\left (\int \left (\frac {A+B}{2 b (a+b)^2 (b-x)}+\frac {-A b+a B}{(a-b) b (a+b) (a+x)^2}+\frac {-2 a A b+a^2 B+b^2 B}{(a-b)^2 b (a+b)^2 (a+x)}+\frac {A-B}{2 (a-b)^2 b (b+x)}\right ) \, dx,x,b \sin (c+d x)\right )}{d}\\ &=-\frac {(A+B) \log (1-\sin (c+d x))}{2 (a+b)^2 d}+\frac {(A-B) \log (1+\sin (c+d x))}{2 (a-b)^2 d}-\frac {\left (2 a A b-a^2 B-b^2 B\right ) \log (a+b \sin (c+d x))}{\left (a^2-b^2\right )^2 d}+\frac {A b-a B}{\left (a^2-b^2\right ) d (a+b \sin (c+d x))}\\ \end {align*}

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Mathematica [A]  time = 1.37, size = 178, normalized size = 1.32 \[ \frac {b \left (A-\frac {a B}{b}\right ) \left (\frac {1}{\left (a^2-b^2\right ) (a+b \sin (c+d x))}-\frac {\log (1-\sin (c+d x))}{2 b (a+b)^2}+\frac {\log (\sin (c+d x)+1)}{2 b (a-b)^2}-\frac {2 a \log (a+b \sin (c+d x))}{(a-b)^2 (a+b)^2}\right )-\frac {B ((b-a) \log (1-\sin (c+d x))+(a+b) \log (\sin (c+d x)+1)-2 b \log (a+b \sin (c+d x)))}{2 b (b-a) (a+b)}}{d} \]

Antiderivative was successfully verified.

[In]

Integrate[(Sec[c + d*x]*(A + B*Sin[c + d*x]))/(a + b*Sin[c + d*x])^2,x]

[Out]

(-1/2*(B*((-a + b)*Log[1 - Sin[c + d*x]] + (a + b)*Log[1 + Sin[c + d*x]] - 2*b*Log[a + b*Sin[c + d*x]]))/(b*(-
a + b)*(a + b)) + b*(A - (a*B)/b)*(-1/2*Log[1 - Sin[c + d*x]]/(b*(a + b)^2) + Log[1 + Sin[c + d*x]]/(2*(a - b)
^2*b) - (2*a*Log[a + b*Sin[c + d*x]])/((a - b)^2*(a + b)^2) + 1/((a^2 - b^2)*(a + b*Sin[c + d*x]))))/d

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fricas [B]  time = 0.71, size = 283, normalized size = 2.10 \[ -\frac {2 \, B a^{3} - 2 \, A a^{2} b - 2 \, B a b^{2} + 2 \, A b^{3} - 2 \, {\left (B a^{3} - 2 \, A a^{2} b + B a b^{2} + {\left (B a^{2} b - 2 \, A a b^{2} + B b^{3}\right )} \sin \left (d x + c\right )\right )} \log \left (b \sin \left (d x + c\right ) + a\right ) - {\left ({\left (A - B\right )} a^{3} + 2 \, {\left (A - B\right )} a^{2} b + {\left (A - B\right )} a b^{2} + {\left ({\left (A - B\right )} a^{2} b + 2 \, {\left (A - B\right )} a b^{2} + {\left (A - B\right )} b^{3}\right )} \sin \left (d x + c\right )\right )} \log \left (\sin \left (d x + c\right ) + 1\right ) + {\left ({\left (A + B\right )} a^{3} - 2 \, {\left (A + B\right )} a^{2} b + {\left (A + B\right )} a b^{2} + {\left ({\left (A + B\right )} a^{2} b - 2 \, {\left (A + B\right )} a b^{2} + {\left (A + B\right )} b^{3}\right )} \sin \left (d x + c\right )\right )} \log \left (-\sin \left (d x + c\right ) + 1\right )}{2 \, {\left ({\left (a^{4} b - 2 \, a^{2} b^{3} + b^{5}\right )} d \sin \left (d x + c\right ) + {\left (a^{5} - 2 \, a^{3} b^{2} + a b^{4}\right )} d\right )}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sec(d*x+c)*(A+B*sin(d*x+c))/(a+b*sin(d*x+c))^2,x, algorithm="fricas")

[Out]

-1/2*(2*B*a^3 - 2*A*a^2*b - 2*B*a*b^2 + 2*A*b^3 - 2*(B*a^3 - 2*A*a^2*b + B*a*b^2 + (B*a^2*b - 2*A*a*b^2 + B*b^
3)*sin(d*x + c))*log(b*sin(d*x + c) + a) - ((A - B)*a^3 + 2*(A - B)*a^2*b + (A - B)*a*b^2 + ((A - B)*a^2*b + 2
*(A - B)*a*b^2 + (A - B)*b^3)*sin(d*x + c))*log(sin(d*x + c) + 1) + ((A + B)*a^3 - 2*(A + B)*a^2*b + (A + B)*a
*b^2 + ((A + B)*a^2*b - 2*(A + B)*a*b^2 + (A + B)*b^3)*sin(d*x + c))*log(-sin(d*x + c) + 1))/((a^4*b - 2*a^2*b
^3 + b^5)*d*sin(d*x + c) + (a^5 - 2*a^3*b^2 + a*b^4)*d)

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giac [A]  time = 0.23, size = 205, normalized size = 1.52 \[ \frac {\frac {2 \, {\left (B a^{2} b - 2 \, A a b^{2} + B b^{3}\right )} \log \left ({\left | b \sin \left (d x + c\right ) + a \right |}\right )}{a^{4} b - 2 \, a^{2} b^{3} + b^{5}} - \frac {{\left (A + B\right )} \log \left ({\left | -\sin \left (d x + c\right ) + 1 \right |}\right )}{a^{2} + 2 \, a b + b^{2}} + \frac {{\left (A - B\right )} \log \left ({\left | -\sin \left (d x + c\right ) - 1 \right |}\right )}{a^{2} - 2 \, a b + b^{2}} - \frac {2 \, {\left (B a^{2} b \sin \left (d x + c\right ) - 2 \, A a b^{2} \sin \left (d x + c\right ) + B b^{3} \sin \left (d x + c\right ) + 2 \, B a^{3} - 3 \, A a^{2} b + A b^{3}\right )}}{{\left (a^{4} - 2 \, a^{2} b^{2} + b^{4}\right )} {\left (b \sin \left (d x + c\right ) + a\right )}}}{2 \, d} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sec(d*x+c)*(A+B*sin(d*x+c))/(a+b*sin(d*x+c))^2,x, algorithm="giac")

[Out]

1/2*(2*(B*a^2*b - 2*A*a*b^2 + B*b^3)*log(abs(b*sin(d*x + c) + a))/(a^4*b - 2*a^2*b^3 + b^5) - (A + B)*log(abs(
-sin(d*x + c) + 1))/(a^2 + 2*a*b + b^2) + (A - B)*log(abs(-sin(d*x + c) - 1))/(a^2 - 2*a*b + b^2) - 2*(B*a^2*b
*sin(d*x + c) - 2*A*a*b^2*sin(d*x + c) + B*b^3*sin(d*x + c) + 2*B*a^3 - 3*A*a^2*b + A*b^3)/((a^4 - 2*a^2*b^2 +
b^4)*(b*sin(d*x + c) + a)))/d

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maple [A]  time = 0.69, size = 240, normalized size = 1.78 \[ -\frac {\ln \left (\sin \left (d x +c \right )-1\right ) A}{2 d \left (a +b \right )^{2}}-\frac {\ln \left (\sin \left (d x +c \right )-1\right ) B}{2 d \left (a +b \right )^{2}}+\frac {A b}{d \left (a +b \right ) \left (a -b \right ) \left (a +b \sin \left (d x +c \right )\right )}-\frac {a B}{d \left (a +b \right ) \left (a -b \right ) \left (a +b \sin \left (d x +c \right )\right )}-\frac {2 \ln \left (a +b \sin \left (d x +c \right )\right ) A a b}{d \left (a +b \right )^{2} \left (a -b \right )^{2}}+\frac {\ln \left (a +b \sin \left (d x +c \right )\right ) B \,a^{2}}{d \left (a +b \right )^{2} \left (a -b \right )^{2}}+\frac {\ln \left (a +b \sin \left (d x +c \right )\right ) B \,b^{2}}{d \left (a +b \right )^{2} \left (a -b \right )^{2}}+\frac {\ln \left (1+\sin \left (d x +c \right )\right ) A}{2 d \left (a -b \right )^{2}}-\frac {\ln \left (1+\sin \left (d x +c \right )\right ) B}{2 d \left (a -b \right )^{2}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(sec(d*x+c)*(A+B*sin(d*x+c))/(a+b*sin(d*x+c))^2,x)

[Out]

-1/2/d/(a+b)^2*ln(sin(d*x+c)-1)*A-1/2/d/(a+b)^2*ln(sin(d*x+c)-1)*B+1/d/(a+b)/(a-b)/(a+b*sin(d*x+c))*A*b-1/d/(a
+b)/(a-b)/(a+b*sin(d*x+c))*a*B-2/d/(a+b)^2/(a-b)^2*ln(a+b*sin(d*x+c))*A*a*b+1/d/(a+b)^2/(a-b)^2*ln(a+b*sin(d*x
+c))*B*a^2+1/d/(a+b)^2/(a-b)^2*ln(a+b*sin(d*x+c))*B*b^2+1/2/d/(a-b)^2*ln(1+sin(d*x+c))*A-1/2/d/(a-b)^2*ln(1+si
n(d*x+c))*B

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maxima [A]  time = 0.49, size = 147, normalized size = 1.09 \[ \frac {\frac {2 \, {\left (B a^{2} - 2 \, A a b + B b^{2}\right )} \log \left (b \sin \left (d x + c\right ) + a\right )}{a^{4} - 2 \, a^{2} b^{2} + b^{4}} + \frac {{\left (A - B\right )} \log \left (\sin \left (d x + c\right ) + 1\right )}{a^{2} - 2 \, a b + b^{2}} - \frac {{\left (A + B\right )} \log \left (\sin \left (d x + c\right ) - 1\right )}{a^{2} + 2 \, a b + b^{2}} - \frac {2 \, {\left (B a - A b\right )}}{a^{3} - a b^{2} + {\left (a^{2} b - b^{3}\right )} \sin \left (d x + c\right )}}{2 \, d} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sec(d*x+c)*(A+B*sin(d*x+c))/(a+b*sin(d*x+c))^2,x, algorithm="maxima")

[Out]

1/2*(2*(B*a^2 - 2*A*a*b + B*b^2)*log(b*sin(d*x + c) + a)/(a^4 - 2*a^2*b^2 + b^4) + (A - B)*log(sin(d*x + c) +
1)/(a^2 - 2*a*b + b^2) - (A + B)*log(sin(d*x + c) - 1)/(a^2 + 2*a*b + b^2) - 2*(B*a - A*b)/(a^3 - a*b^2 + (a^2
*b - b^3)*sin(d*x + c)))/d

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mupad [B]  time = 0.42, size = 131, normalized size = 0.97 \[ \frac {A\,b-B\,a}{d\,\left (a^2-b^2\right )\,\left (a+b\,\sin \left (c+d\,x\right )\right )}-\frac {\ln \left (\sin \left (c+d\,x\right )-1\right )\,\left (\frac {A}{2}+\frac {B}{2}\right )}{d\,{\left (a+b\right )}^2}+\frac {\ln \left (a+b\,\sin \left (c+d\,x\right )\right )\,\left (B\,a^2-2\,A\,a\,b+B\,b^2\right )}{d\,{\left (a^2-b^2\right )}^2}+\frac {\ln \left (\sin \left (c+d\,x\right )+1\right )\,\left (\frac {A}{2}-\frac {B}{2}\right )}{d\,{\left (a-b\right )}^2} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((A + B*sin(c + d*x))/(cos(c + d*x)*(a + b*sin(c + d*x))^2),x)

[Out]

(A*b - B*a)/(d*(a^2 - b^2)*(a + b*sin(c + d*x))) - (log(sin(c + d*x) - 1)*(A/2 + B/2))/(d*(a + b)^2) + (log(a
+ b*sin(c + d*x))*(B*a^2 + B*b^2 - 2*A*a*b))/(d*(a^2 - b^2)^2) + (log(sin(c + d*x) + 1)*(A/2 - B/2))/(d*(a - b
)^2)

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sympy [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\left (A + B \sin {\left (c + d x \right )}\right ) \sec {\left (c + d x \right )}}{\left (a + b \sin {\left (c + d x \right )}\right )^{2}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sec(d*x+c)*(A+B*sin(d*x+c))/(a+b*sin(d*x+c))**2,x)

[Out]

Integral((A + B*sin(c + d*x))*sec(c + d*x)/(a + b*sin(c + d*x))**2, x)

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