sec−1x+C\sec ^{-1} x+Csec−1x+C
cosec−1x+C\operatorname{cosec}^{-1} x+Ccosec−1x+C
−x2x2−1+C-x^{2} \sqrt{x^{2}-1}+C−x2x2−1+C
None of these \text { None of these } None of these