Question:
If $y=\frac{(\cos x-\sin x)}{(\cos x+\sin x)}$, prove that $\frac{d y}{d x}+y^{2}+1=0$
Solution:
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.