Q. For 0 β€ π₯ β€ 2π, sin π₯ and cos π₯ are both decreasing functions in the intervalΒ Β Β Β Β Β
Ans: Option B
Sol:
Sin x is increasing function in the interval 0 < x < Ο/2 and in the interval 3Ο/2 < x < 2Ο.
Sin x is decreasing function in the interval Ο/2 < x < 3Ο/2.
Cos x is increasing function in the interval Ο < x < 2Ο.
Cos x is decreasing function on the interval 0 < x < Ο.
![Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]](https://www.gkseries.com/blog/wp-content/uploads/2023/10/Determine-the-correctness-or-otherwise-of-the-following-Assertion-A-and-the-Reason-R.jpg)
