- ( 14 ) \frac { \operatorname { tan } \lambda } { 1 - \operatorname { – InterviewSolution

1.	- ( 14 ) \frac { \operatorname { tan } \lambda } { 1 - \operatorname { cot } A } + \frac { \operatorname { cot } A } { 1 - \operatorname { tan } A } = \operatorname { sec } A \operatorname { cosec } A + 1
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