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tan^(-1)(1/2)+tan^(-1)(1/3)...

tan^(-1)(1/2)+tan^(-1)(1/3)

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Find x if tan^(-1)(x) = tan^(-1)(1/2) + tan^(-1)(3/7)

Prove that tan^(-1)(1)+tan^(-1)(2) +tan^(-1)(3) =pi .

Prove the following: tan^(-1)1/7+2\ tan^(-1)1/3=pi/4

tan^(-1)(1)+tan^(-1)(2)+tan^(-1)(3) = _______

Pove that i) tan^(-1)1/2+tan^(-1)2/11=tan^(-1)3/4 ii) tan^(-1)2/11+tan^(-1)7/24=tan^(-1)1/2 iii) tan^(-1)1+tan^(-1)1/2+tan^(-1)1/3=pi/2 iv) 2tan^(-1)1/3+tan^(-1)/17=pi/4 v) tan^(-1)2-tan^(-1)1=tan^(-1)1/3 vi) tan^(-1)+tan^(-1)2+tan^(-1)3=pi vii) tan^(-1)1/2+tan^(-1)1/5+tan^(-1)1/8=pi/4 viii) tan^(-1)1/4+tan^(-1)2/9=1/2tan^(-1)4/3

prove that tan^(-1)(1)+tan^(-1)(2)+tan^(-1)(3)=pi

tan^(-1)2-tan^(-1)1=tan^(-1)(1/3)

tan^(-1)2-tan^(-1)1=tan^(-1)(1)/(3)