Statement-I: $\sin \theta =x+\frac{1}{x}$ is impossible for any real $\text{'}x\text{'}$

            Statement-II: If $\frac{3\pi }{4}<\alpha <\pi$ , then $\sqrt{2\cot \alpha +\frac{1}{{\sin }^2\alpha }}=1+\cot \alpha$

            Which of the above statement incorrect