Trigonometry: Angles and Functions
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Questions and Answers

What is the correct way to represent, manipulate, and evaluate trigonometric expressions in terms of sides of a right triangle?

  • Using coordinates of a unit circle (correct)
  • Using vectors
  • Using degrees
  • Using radians

    • When graphing trigonometric functions, what does 'amplitude' refer to?

  • The number of cycles of the function
  • The horizontal shift of the function
  • The phase shift of the function
  • The vertical stretch or compression of the function (correct)

    • In solving trigonometric equations, which property is used to determine periodic solutions?

  • Double-angle formula
  • Pythagorean identity
  • Addition formula
  • Periodicity (correct)

    • How are vectors typically defined and operated with?

    <p>Both geometrically and algebraically</p> Signup and view all the answers

    When applying the law of sines and the law of cosines, what are they typically used to determine?

    <p>Sides and angles of triangles</p> Signup and view all the answers

    How are variables, trigonometric functions, and vectors typically used in mathematical modeling?

    <p>To create dynamic models that change over time</p> Signup and view all the answers

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