MCQ
આપેલ વિકલ્પોમાંથી યોગ્ય વિકલ્પ પસંદ કરો : $\tan ^{-1} \sqrt{3}-\cot ^{-1}(-\sqrt{3})=$ .............
- A$\pi$
- ✓$-\frac{\pi}{2}$
- C$0$
- D$2 \sqrt{3}$
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