Trigonometry and Complex Numbers Quiz
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Questions and Answers

What is the value of $sin(150)$?

  • $sin(150) = \frac{\sqrt{3}}{2}$ (correct)
  • $sin(150) = -\frac{1}{2}$
  • $sin(150) = \frac{1}{2}$
  • $sin(150) = -\frac{\sqrt{3}}{2}$

    • What is the value of $sin^2(\theta) + cos^2(\theta)$?

  • $sin^2(\theta) + cos^2(\theta) = 0$
  • $sin^2(\theta) + cos^2(\theta) = -1$
  • $sin^2(\theta) + cos^2(\theta) = 2$
  • $sin^2(\theta) + cos^2(\theta) = 1$ (correct)

    • If $f(x) = 3x - 5$ and $g(x) = x^2 - 1$, what is $f(1) \times g(-1)$?

  • $f(1) \times g(-1) = 4$
  • $f(1) \times g(-1) = -6$
  • $f(1) \times g(-1) = 6$
  • $f(1) \times g(-1) = -4$ (correct)

    • What is the limit of $\frac{x^2 - 5x + 6}{x^2 - x - 2}$ as $x$ approaches 2?

    <p>The limit is 3</p> Signup and view all the answers

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