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Prove the Identity tant1cott+1+cotttant=tan2t+2csc2ttant1\frac { \tan t } { 1 - \cot t } + \frac { 1 + \cot t } { \tan t } = \frac { \tan ^ { 2 } t + 2 - \csc ^ { 2 } t } { \tan t - 1 }

question 16

Essay

Prove the identity.
- tant1cott+1+cotttant=tan2t+2csc2ttant1\frac { \tan t } { 1 - \cot t } + \frac { 1 + \cot t } { \tan t } = \frac { \tan ^ { 2 } t + 2 - \csc ^ { 2 } t } { \tan t - 1 }


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