29.5.11 problem 127

Internal problem ID [4728]
Book : Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section : Various 5
Problem number : 127
Date solved : Monday, January 27, 2025 at 09:34:34 AM
CAS classification : [`y=_G(x,y')`]

\begin{align*} y^{\prime }+f \left (x \right )+g \left (x \right ) \tan \left (y\right )&=0 \end{align*}

Solution by Maple

dsolve(diff(y(x),x)+f(x)+g(x)*tan(y(x)) = 0,y(x), singsol=all)
 
\[ \text {No solution found} \]

Solution by Mathematica

Time used: 0.000 (sec). Leaf size: 0

DSolve[D[y[x],x]+f[x]+g[x] Tan[ y[x]]==0,y[x],x,IncludeSingularSolutions -> True]
 

Not solved