differentiation

Question: The function $\sin x-\cos x$is increasing in the interval



1) $\left[ \frac{3\pi }{4},\frac{7\pi }{4} \right]$
2) $\left[ 0,\frac{3\pi }{4} \right)$
3) $\left[ \frac{\pi }{4},\frac{3\pi }{4} \right]$
4) None of these
Solution: Explanation: No Explanation
Increasing and Decreasing function

Rate this question:

Average rating: (0 votes)

Previous Question Next Question