حاصل $A=\underset{x\to -\frac{\pi }{۴}}{\mathop{\lim }}\,\frac{۱+۲\operatorname{Sin}x\cos x}{{{-\operatorname{Cos}}^{۲}}x+{{\operatorname{Sin}}^{۲}}x}\times \frac{۲}{\operatorname{Cos}x+\operatorname{Sin}x}$ کدام است؟