" (iii) "cos^(-1)((2x)/(1+x^(2)))

cos^(-1)((1-x^(2))/(1+x^(2)))

cos^(-1)((1-x^(2n))/(1+x^(2n)))

cos^(-1)((1-x^(2n))/(1+x^(2n)))

If y = cos^(-1) ((2x)/(1 + x^(2))), - 1 lt x lt 1 " then " (dy)/(dx) is equal to

y = cos ^(-1)((2x)/(1 +x^(2))),-1 lt x lt1 . find dy/dx

y = cos ^(-1)((2x)/(1 +x^(2))),-1 lt x lt1

If sin ^(-1)((1 - x ^(2))/(1 + x ^(2)))+ cos ^(-1) ((2x )/(1 +x ^(2)))= pi/3, then the vlaue of x is equal to

Find (dy)/(dx) in the following y= cos^(-1) ((2x)/(1+ x^(2))), -1 lt x lt 1

If y = "cos^(-1)((2x)/(1 + x^2)) , then (dy)/(dx) is

If y= cos^(-1)((2x)/(1+x^(2))) , then (dy)/(dx) is -