Question

tan ^ - 1( \frac{2x}{1 - x {}^{2} } ) with \: respect \: to \: \cos { - 1}^{?} ( \frac{1 - x {}^{2} }{1 + x {}^{2} } )tan
−
1(
1−x
2

2x
​
)withrespecttocos−1
?
(
1+x
2

1−x
2

​
)​

Answer 1

Answer:

please elaborate ur question