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NDA2021MathematicsInverse Trigonometric FunctionsActual

⁻¹ x+ ⁻¹ x= 2 holds, when

Options

  1. Ax R
  2. Bx R-(-1,1) only
  3. Cx R- 0 only
  4. Dx R-[-1,1] only

Correct answer

A. x R

Step-by-step solution

⁻¹(x)+ ⁻¹(x)= 2 This hold for all x R .

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