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if (1- tan x)/(1+tan x) = tan y and x -y...

if `(1- tan x)/(1+tan x) = tan y` and `x -y = pi/6,` then `x,y ` are respectively

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  10. if (1- tan x)/(1+tan x) = tan y and x -y = pi/6, then x,y are respect...

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  13. The value of x for which 2 sin^(-1)x =sin^(-1)(2xsqrt(1-x^(2))) is

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