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

" 1."tan^(-1)(1)+tan^(-1)(2)+tan^(-1)(3)=....2

" 1."tan^(-1)(1)+tan^(-1)(2)+tan^(-1)(3)=....2
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3tan^(- 1)1/(2+sqrt(3))-tan^(- 1)1/2=tan^(- 1)1/3 ,
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Show that: tan^-1 1 +tan^-1 2+tan^-1 3=2(tan^-1 1+tan^-1 (1/2)+tan^-1 ...
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Prove that : tan^(-1) 1 + tan^(-1) 2 + tan^(-1) 3= pi = 2(tan^(-1) 1 +...
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Pove that i) tan^(-1)1/2+tan^(-1)2/11=tan^(-1)3/4 ii) tan^(-1)2/11+t...
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सिद्ध कीजिए कि tan^(-1)1 +tan^(-1)2 +tan^(-1)3=2[tan^(-1)1+tan^(-...
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tan^(-1)1 + tan^(-1) 2 + tan^(-1) 3 = pi = 2 (tan^(-1) 1 + tan^(-1)""(...
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सिद्ध कीजिए कि tan^(-1)""1+tan^(-1)2+tan^(-1)3=pi=2(tan^(-1)1+tan^(-...
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tan^(-1)1+tan^(-1)2+tan^(-1)3=
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