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tan^-1x+2*tan^-1y=tan^-1(x+y)(1-xy)

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tan^-1x+2*tan^-1y=tan^-1(x+y)(1-xy)

    • Posted by Kushal Prajapati 6 years, 5 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Narendra Nath 6 years, 5 months ago

    Network error so put value n solve

    0Thank You

    Narendra Nath 5 years, 6 months ago

    Let tan^-1x=A, tan^-1y=B. So tanA=x , tanB=y. Now proof . tanA + 2tanB= tanA+ {2tanB÷(1-tan^2B)}./ 1- tanA.{2tanB÷(1-tan^2B)} Put thइ

    1Thank You

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