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Prove that: tan^(-1)(1/2tan2A)+tan^(-1)(...

Prove that: `tan^(-1)(1/2tan2A)+tan^(-1)(cota)+tan^(-1)(cot^3A)={ when 0

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Prove that: tan^(-1)(1/2tan2A)+tan^(-1)(cota)+tan^(-1)(cot^3A)={0 when pi/4 Ale pi/2 and pi , when 0 le A le pi/4 }

Prove that: tan^(-1) (1/2tan2A) + tan^(-1) (cotA) + tan^(-1) (cot^3A) =0

Prove that: 2tan^(-1)(1/2)+tan^(-1)(1/7)=tan^(-1)(31/17)

Prove that: tan^(-1)(2/11)+tan^(-1)(7/24) = tan^(-1)(1/2)

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

Prove that: tan^(-1)(2/11)+tan^(-1)(7/24)=tan^(-1)(1/2)

Prove that : tan^(-1)(2/11)+tan^(-1)(7/24)=tan^(-1)(1/2)

Prove that : tan^(-1)(1/2)+tan^(-1)(1/5)+tan^(-1)(1/8)=pi/4dot

Prove that : tan^(-1)(1/2)+tan^(-1)(1/5)+tan^(-1)(1/8)=pi/4dot

Prove that: 2tan^(-1)(1/2)+tan^(-1)(1/7)=tan^(-1)((31)/(17))