`Tan^(-1)((x)/(y))-Tan^(-1)((x-y)/(x+y))` is equal to

Find the value of tan^(-1)((x)/(y))-tan^(-1)((x-y)/(x+y))

Find the value of tan^(-1)((x)/(y))-tan^(-1)((x-y)/(x+y))

Prove that tan^(-1)((x)/(y))-tan^(-1)((x-y)/(x+y)) is (pi)/(4) and Not(-3 pi)/(4)

The solution of (dy)/(dx)=((x-1)^(2)+(y-2)^(2)tan^(-1)((y-2)/(x-1)))/((xy-2x-y+2)tan^(-1)((y-2)/(x-1))) is equal to

tan^(-1)x+tan^(-1)y is equal to

If x and y are positive integer satisfying tan^(-1)((1)/(x))+tan^(-1)((1)/(y))=(1)/(7) , then the number of ordered pairs of (x,y) is

If 2tan^(- 1)(c o s e c(tan^(- 1)(x))-tan(cot^(- 1)(x)))=tan^(- 1)y then y is equal to

If x gt y gt 0 , then find the value of tan^(-1).(x)/(y) + tan^(-1) [(x + y)/(x -y)]

If y=(tan^(-1))(sqrt(1+x^(2))-1)/(x), then y'(1) is equal to

tan^(-1)x-tan^(-1)y=tan^(-1)((x-y)/(1+xy)) holds good for