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tan^(- 1)(1/4)+tan^(- 1)(2/9)=1/2tan^(- ...

`tan^(- 1)(1/4)+tan^(- 1)(2/9)=1/2tan^(- 1)(4/3)`

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Prove that "tan"^(-1)(1/4)+"tan"^(-1)(2/9)=1/2"tan"^(-1)(4/3) .

tan^(-1)(1)/(4)+tan^(-1)(2)/(9)=tan^(-1)(1)/(2)

Prove the following: tan^(-1)(1/4)+tan^(-1)(2/9)=1/2cos^(-1)(3/5)

Prove that 2(tan^(-1)1/4+tan^(-1)2/9)=tan^(-1)4/3 .

Prove that tan^(-1) (1/4) + tan^(-1) (2/9) = 1/2 sin^(-1) (4/5)

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show that tan^(-1)(1/2)+tan^(-1)(2/11)=tan^(-1)(3/4)

show that tan^(-1)(1/2)+tan^(-1)(2/11)=tan^(-1)(3/4)

Prove that tan^-1(1/4)+ tan^-1(2/9) = 1/2sin^-1(4/5)

Prove that tan^-1(1/4)+ tan^-1(2/9) = 1/2sin^-1(4/5)