" Write the set of values of "x" for which "2tan^(-1)x=tan^(-1)((2x)/(1-x^(2)))" holds."

Write the set of values of x for which 2 tan^(-1)x="tan"^(-1)(2x)/(1-x^(2)) holds.

Writeh the set of values of x for which 2tan^(-1)x="sin"^(-1)(2x)/(1+x^(2)) holds.

Write the set of the value of x for which 2tan^(-1)x="cos"^(-1)(1-x^(2))/(1+x^(2)) holds.

Write the value of x for which 2tan^(-1)x = cos^(-1)[(1-x^(2))/(1+x^(2))] holds:

The set of values of x for which tan^(-1)(x)/sqrt(1-x^(2))=sin^(-1) x holds is

The set of vlues of x for which tan^(-1)(x)/sqrt(1-x^(2))=sin^(-1) x holds is

Write the values of x for which tan^(-1)"" 1/x=cot^(-1)x holds.

The complete set of values of x for which 2 tan^(-1)x+cos^(-1)((1-x^(2))/(1+x^(2))) is independent of x is :

The complete set of values of x for which 2 tan^(-1)x+cos^(-1)((1-x^(2))/(1+x^(2))) is independent of x is :