Question

If f(×)= (sinx+1) / e^x+2, then f'(x) equals

Answer 1

Answer:

The derivative is $\frac{\cos x - \sin x-1}{e^x}$

Step-by-step explanation:

$(\frac{\sin x+1}{e^x}+2)'=\frac{e^x\cos x-e^x(\sin x +1)}{e^{2x}}=\frac{\cos x - \sin x-1}{e^x}$