2.3.4 Problem 4

2.3.4.1 Solved using first_order_ode_separable
2.3.4.2 Maple
2.3.4.3 Mathematica
2.3.4.4 Sympy
Data Base ID : [19719]
Book : Elementary Differential Equations. By Thornton C. Fry. D Van Nostrand. NY. First Edition (1929)
Book section : Chapter IV. Methods of solution: First order equations. section 29. Problems at page 81
Book problem number : 4
The problem :
\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sec \left (x \right )^{2} \tan \left (y\right ) y^{\prime }+\sec \left (y\right )^{2} \tan \left (x \right )&=0 \end {array} \]

Date solved : Monday, June 15, 2026 at 09:50:22 AM
CAS classification : [_separable]
Output folder : 18477_Monday_March_31_2025_05_35_20_PM_3788059