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NDA2014MathematicsInverse Trigonometric FunctionsActual

Consider the following statements: 1. ⁻¹ 1+ ⁻¹(0.5)= / 2 2. ⁻¹(1 / 3)+ ⁻¹(1 / 3)= / 2 Which of the above statements is/are correct?

Options

  1. A1 only
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 nor 2

Correct answer

B. 2 only

Step-by-step solution

1. ⁻¹ 1+ ⁻¹(0.5)= 2 . It is not true. 2. ⁻¹ ( 1 3 )+ ⁻¹ ( 1 3 )= 2 It is true because ⁻¹ x+ ⁻¹ x= 2 .

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