Calculus: Inverse Trigonometric Functions
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Questions and Answers

What is the derivative of y = sin⁻¹ x?

  • $ rac{1}{ an y}$
  • $ rac{1}{ orall x}$
  • $ rac{1}{ ext{cos} y}$ (correct)
  • $ rac{1}{ ext{sec} y}$
  • What is the domain of the function y = sin⁻¹ x?

  • [-1, 1] (correct)
  • (-1, 1)
  • [-π/2, π/2]
  • [0, 1]
  • In the context of inverse trigonometric functions, which statement is true regarding the range of y = sin⁻¹ x?

  • The range is [-π/2, π/2] (correct)
  • The range is [-π, π]
  • The range is [0, 1]
  • The range is [0, π/2]
  • What condition is necessary for the function y = sin⁻¹ u to have a defined derivative?

    <p>u must be between -1 and 1 (D)</p> Signup and view all the answers

    How is $ rac{dy}{dx}$ expressed when y = sin⁻¹ u?

    <p>$ rac{u'}{ ext{sqrt}(1-u^2)}$ (A)</p> Signup and view all the answers

    Flashcards

    Derivative of sin⁻¹ x

    The rate of change of y = sin⁻¹ x is dy/dx = 1/√(1-x²) for x ∈ (-1, 1).

    Domain of sin⁻¹ x

    The range of x-values for y = sin⁻¹ x is [-1, 1].

    Range of sin⁻¹ x

    The output values for sin⁻¹ x fall within [-π/2, π/2].

    Implicit differentiation

    Finding dy/dx when differentiating both sides of sin y = x leads to dy/dx = 1/cos y.

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    General derivative formula

    For u in (-1, 1), if y = sin⁻¹ u, then dy/dx = u' / √(1-u²).

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