prove that (1+ tan2a/1-tan2a) = sec2a

asked by guest
on Sep 20, 2024 at 3:38 am



You asked:

Prove or disprove that the equation $1 + \frac{\tan{\left(2 a \right)}}{1} - \tan{\left(2 a \right)} = \sec{\left(2 a \right)}$ is an identity.


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