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[" 11.Prove that : "],[[" (i) "2tan^(-1)...

[" 11.Prove that : "],[[" (i) "2tan^(-1)(cosec tan^(-1)x-tan cot^(-1)x)=tan^(-1)x]]

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Prove that: tan^(-1)(x)=2tan^(-1)(cosec tan^(-1)x-tan cot^(-1)x)

Prove that : 2 tan^(-1) (cosec tan^(-1) x - tan cot^(-1) x) = tan^(-1) x

Prove that : 2 tan^(-1) (cosec tan^(-1) x - tan cot^(-1) x) = tan^(-1) x

Prove that 2 tan^(-1) (cosec tan^(-1) x - tan cot^(-1) x) = tan^(-1) x (x != 0)

tan^(-1)(cot x)-tan^(-1)(cot2x)=

tan^(-1)(cot x)+cot^(-1)(tan x)

Prove that tan(cot^(-1)x)=cot(tan^(-1)x)

Prove that tan(cot^(-1)x)=cot(tan^(-1)x)

Prove that tan(cot^(-1)x)=cot(tan^(-1)x)

2tan^(-1)(cos x)=tan^(-1)(csc^(2)x), then x=