[" 29.Wh "xy=1+a^(2)" 31.EC GUIG GH."],[...

[" 29.Wh "xy=1+a^(2)" 31.EC GUIG GH."],[" tim "^(-1)(1)/(a+x)+tan^(-1)(1)/(a+y)=tan^(-1)(1)/(a),(x+y+2a)!=0]

[" 29.Wh "xy=1+a^(2)" 31.EC GUIG GH."],[" tim "^(-1)(1)/(a+x)+tan^(-1)...
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If xy=1+a^(2) then show that tan^(-1)((1)/(a+x))+tan^(-1)((1)/(a+y))=t...
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If cos ^ (- 1) x + cos ^ (- 1) y = (pi) / (2), tan ^ (- 1) x-tan ^ (- ...
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tan ^ (- 1) ((1) / (x + y)) + tan ^ (- 1) ((y) / (x ^ (2) + xy + 1)) =...
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If x,y are real numbers such that xy<1 then tan^(-1)x+tan^(-1)y=tan^(-...
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सिद्ध करे कि : tan^(-1)""(1)/(x+y) = tan^(-1)""(y)/(x^(2) + xy + 1)...
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If xy=1 + a^(2) then show that tan^(-1) ""(1)/(a+x)+tan ^(-1) ...
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Prove that tan^(-1)x-tan^(-1)y=tan^(-1)((x-y)/(1+xy)),xygt-1
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Prove that tan ^(-1)""(1)/(x+y)+ tan ^(-1)""(y)/(x^(2)+xy+1)= cot ^...
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