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NDA2021MathematicsInverse Trigonometric FunctionsActual

What is the slope of the tangent of y= ⁻¹( x) at x=- 4 ?

Options

  1. A-1
  2. B0
  3. C1
  4. D2

Correct answer

A. -1

Step-by-step solution

aligned & Slope of the tangent = d y d x & At x= - 4 , d y d x ( ⁻¹( x) )= d d x (-x) aligned aligned & - x 0 & = d y d x -1 aligned

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