Solve tan^-1 (1-x/1+x) - 1/2tan^-1 x = 0

tan-1(1-x/1+1.x)  =  1/2(tan-1x)
​tan-1(1) - tan-1x  =  1/2tan-1x
pi/4  =  1/2tan-1x + tan-1x
​3/2tan-1x  =  pi/4
tan-1x  =  pi/6
x  =  tan(pi/6)
x = 1/√3
 

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tan-1(1-x/1+1.x)  =  1/2(tan-1x)
​tan-1(1) - tan-1x  =  1/2tan-1x
pi/4  =  1/2tan-1x + tan-1x
​3/2tan-1x  =  pi/4
tan-1x  =  pi/6
x  =  tan(pi/6)
x = 1/√3
 
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