Evaluate each of the following:(i) cosec-1cosecπ4(ii) cosec-1cosec3π – InterviewSolution

1.	Evaluate each of the following:(i) cosec-1cosecπ4(ii) cosec-1cosec3π4(iii) cosec-1cosec6π5(iv) cosec-1cosec11π6(v) cosec-1cosec13π6(vi) cosec-1cosec-9π4
Answer» Evaluate each of the following: (i) ${cosec}^{- 1} (cosec \frac{π}{4})$ (ii) ${cosec}^{- 1} (cosec \frac{3 π}{4})$ (iii) ${cosec}^{- 1} (cosec \frac{6 π}{5})$ (iv) ${cosec}^{- 1} (cosec \frac{11 π}{6})$ (v) ${cosec}^{- 1} (cosec \frac{13 π}{6})$ (vi) ${cosec}^{- 1} \{cosec (- \frac{9 π}{4})\}$

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