Teaching DSSSB TGT Mock Test 2025 Mathematics Differential Equations Solution of Differential Equations
If the solution of \({\sin ^3}x\frac{{dx}}{{dy}} = \sin y\) is A cos y + B cos x + C cos 3x = D, then the value of A + B + C is
1
1/3
2
-1/3
3
2/3
4
-2/3