Evaluate each of the following:(i) cot-1cotπ3(ii) cot-1cot4π3(iii) c – InterviewSolution

1.	Evaluate each of the following:(i) cot-1cotπ3(ii) cot-1cot4π3(iii) cot-1cot9π4(iv) cot-1cot19π6(v) cot-1cot-8π3(vi) cot-1cot21π4
Answer» Evaluate each of the following: (i) $\cot^{- 1} (\cot \frac{π}{3})$ (ii) $\cot^{- 1} (\cot \frac{4 π}{3})$ (iii) $\cot^{- 1} (\cot \frac{9 π}{4})$ (iv) $\cot^{- 1} (\cot \frac{19 π}{6})$ (v) $\cot^{- 1} \{\cot (- \frac{8 π}{3})\}$ (vi) $\cot^{- 1} \{\cot (\frac{21 π}{4})\}$

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