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Questions and Answers
What is the value of $sin(150)$?
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 $sin^2(\theta) + cos^2(\theta)$?
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 $f(1) \times g(-1)$?
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?
What is the limit of $\frac{x^2 - 5x + 6}{x^2 - x - 2}$ as $x$ approaches 2?
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