# lim x→π/2, the equation (tan2x  ) illustrate the definition

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You need to find the limit of the function `tan 2x` , `x-gtpi/2` , hence you need to substitute `pi/2`  for `x`  in the equation of the function such that:

`lim_(x-gtpi/2) tan 2x = tan 2(pi/2)`

Reducing 2 to both numerator and...

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