Listen NCERT Audio Books to boost your productivity and retention power by 2X.
Find the domain of f(x) = cotx + cot–1 x.
Now the domain of cot x is ℝ
While the domain of cot–1x is [0,π ]
∴ The union of these two will give the domain of f(x)
⇒ ℝ ⋃ [0,π]
= [0,π]
∴ The domain of f(x) is [0,π]