Prove that- tan -1 a - -1 a-1 -tan -1 a 2 -a-1 -

Since x = 1tan x , #160; ⇒^ 1 x = tan^ 11x So, we have, tan^ 1 a + ^ 1 (a+1) = tan^ 1 a + tan^ 11a+1 = tan^ 1(a+1a+11 aa+1) = tan^ 1(a^2+a+1 ...

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Domain and Range of Basic Inverse Trigonometric Functions

Prove that: ...

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Prove that:
${tan}^{- 1} a + {cot}^{- 1} (a + 1) = {tan}^{- 1} (a^{2} + a + 1)$ .

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