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| 1. |
\frac { \operatorname { cosec } \theta + \operatorname { cot } \theta - 1 } { \operatorname { cot } \theta - \operatorname { cosec } \theta + 1 } = \frac { 1 + \operatorname { cos } \theta } { \operatorname { sin } \theta } |
| Answer» | |