0 0 votes If $f(x)=\frac{\sin x+\cos x}{\sin x-\cos x}$, the value of $f^{\prime}(x)$ at $x=0$ is ___________. Calculus gatebt-2023 calculus numerical-answers + – admin 3.0k points answer comment Share Follow 0 reply Please log in or register to add a comment.