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" (11) "tan^(-1)(1)/(2)+tan^(1)(1)/(3)~~...

" (11) "tan^(-1)(1)/(2)+tan^(1)(1)/(3)~~pi/4

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Prove that tan^(-1)((1)/(2))+tan^(-1)((1)/(3))=(pi)/(4)

tan^(-1)((1)/(2))+tan^(-1)((1)/(3))=(pi)/(4)|0tan(1)+tan(1)

tan^(-1)(x/2)+tan^(-1)(x/3)=(pi)/(4)

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

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

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

Prove that "tan"^(-1)(1)/(5) +"tan"^(-1)(1)/(7) +"tan"^(-1)(1)/(3) +"tan"^(-1)(1)/(8) =(pi)/(4) .

Prove that : tan^(-1)(1)/(5)+tan^(-1)(1)/(7)+tan^(-1)(1)/(3)+tan^(-1)(1)/(8)=(pi)/(4)

Prove that : tan^(-1) (1/2 ) + tan^(-1) (1/3) = pi/4