The value of \(\rm \frac{\sin (\pi+\theta)\cos \left(\frac{\pi}{2}+\theta\right)}{\sin (2\pi -\theta)\cos(2\pi+\theta)} \times \frac{\tan \left(\frac{3\pi}{2}-\theta\right)\cot(2\pi-\theta)}{cosec (-\theta)\sin\left(\frac{3\pi}{2}+\theta\right)}\) is:
1
1
2
-1
3
-2
4
2
5
Not Attempted