13.6 problem 52

Internal problem ID [9803]

Book: Handbook of exact solutions for ordinary differential equations. By Polyanin and Zaitsev. Second edition
Section: Chapter 1, section 1.2. Riccati Equation. subsection 1.2.6-5. Equations containing combinations of trigonometric functions.
Problem number: 52.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_Riccati]

\[ \boxed {\sin \left (2 x \right )^{1+n} y^{\prime }-a y^{2} \sin \left (x \right )^{2 n}-b \cos \left (x \right )^{2 n}=0} \]

Solution by Maple

Time used: 0.25 (sec). Leaf size: 325

dsolve(sin(2*x)^(n+1)*diff(y(x),x)=a*y(x)^2*sin(x)^(2*n)+b*cos(x)^(2*n),y(x), singsol=all)
 

\[ y \left (x \right ) = -\frac {\sin \left (2 x \right )^{n} \left (-\sin \left (x \right )^{-2 n +1-\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \cos \left (x \right )^{\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \sqrt {n^{2}-a b 4^{-n}}\, c_{1} +\sin \left (x \right )^{-2 n +1-\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \cos \left (x \right )^{\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} c_{1} n +\sin \left (x \right )^{-2 n +1+\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \cos \left (x \right )^{-\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \sqrt {n^{2}-a b 4^{-n}}+\sin \left (x \right )^{-2 n +1+\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \cos \left (x \right )^{-\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} n \right )}{a \left (\sin \left (x \right )^{-\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \cos \left (x \right )^{\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} c_{1} +\cos \left (x \right )^{-\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}} \sin \left (x \right )^{\frac {\sqrt {n^{2}-a b 4^{-n}}}{2}}\right ) \sin \left (x \right )} \]

Solution by Mathematica

Time used: 0.0 (sec). Leaf size: 0

DSolve[Sin[2*x]^(n+1)*y'[x]==a*y[x]^2*Sin[x]^(2*n)+b*Cos[x]^(2*n),y[x],x,IncludeSingularSolutions -> True]
 

Timed out