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Mathematics, 22.06.2021 06:30 janeou17xn

2. If tant^-1 x+ tan^-1 y+ tan^-1 z =pie/2 then show that xy + yz + zx: = 1​

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2. If tant^-1 x+ tan^-1 y+ tan^-1 z =pie/2 then show that xy + yz + zx: = 1​...
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