What is the parity tan(narctan((2sqrt(r))/(1-r))) ?

The parity tan(narctan((2sqrt(r))/(1-r))) is Neither even nor odd

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parity tan(narctan((2sqrt(r))/(1-r)))

parity

tan (n arctan (\frac{2 r}{1 - r}))

Neither even nor odd

Solution steps

f (- r) : tan (n arctan (\frac{2 - r}{1 + r}))

- f (r) : - tan (n arctan (\frac{2 r}{1 - r}))

Check parity of

tan (n arctan (\frac{2 r}{1 - r}))

Check if Even:

False

Check if Odd:

False

Neither even nor odd

What is the parity tan(narctan((2sqrt(r))/(1-r))) ?
The parity tan(narctan((2sqrt(r))/(1-r))) is Neither even nor odd