MCQ
જો $2\left|\begin{array}{ll}\sin ( A + B ) & \cos ( A + B ) \\ \cos ( A - B ) & \sin ( A - B )\end{array}\right|+\sqrt{3}=0$, તો $A =$_______.
- A$\frac{\pi}{3}$
- ✓$\frac{\pi}{12}$
- C$\frac{\pi}{6}$
- D$\frac{\pi}{4}$
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