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BITSAT2011MathematicsInverse Trigonometric FunctionsActual

The value of ( (4 ⁻¹ 1 3 )- (2 ⁻¹ 1 7 ) ) is

Options

  1. A(3 / 7 )
  2. B(7 / 8 )
  3. C(8 / 21 )
  4. DNone of these

Correct answer

D. None of these

Step-by-step solution

( (4 ⁻¹ 1 3 ) ) ( aligned &= 2 (2 ⁻¹ 1 3 ) (2 ⁻¹ 1 3 ) &=2 ( ⁻¹ 3 4 )= ( ⁻¹ 3 4 )=2 3 5 4 5 = 24 25 & (2 ⁻¹ 1 7 )= ( ⁻¹ 7 24 )= 24 25 . aligned ) The given expression (=0 )

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