solve for x ;cot-1x - cot-1(x+2) = 15o - Maths -

Question

solve for x ;cot-1x - cot-1(x+2) =
15o

Aakash Sharma · Accepted Answer

Given: cot–1 x – cot–1 (x + 2) = 150 as, π12 = 15°

$\Rightarrow {(x + 1)}^{2} = (\sqrt{3} + 1)^{2} \Rightarrow x = \sqrt{3}$