KoreanSAT / data /json /2023 /math_9.txt
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9. ν•¨μˆ˜
\[
f(x) = a - \sqrt{3} \tan 2x
\]
κ°€ λ‹«νžŒκ΅¬κ°„ \(\left[ -\frac{\pi}{6}, b \right]\) μ—μ„œ μ΅œλŒ“κ°’ 7, μ΅œμ†Ÿκ°’ 3을 κ°€μ§ˆ λ•Œ, \(a \times b\)의 값은? (단, \(a\), \(b\)λŠ” μƒμˆ˜μ΄λ‹€.) [4점]
\begin{itemize}
\item[1] \(\frac{\pi}{2}\)
\item[2] \(\frac{5\pi}{12}\)
\item[3] \(\frac{\pi}{3}\)
\item[4] \(\frac{\pi}{4}\)
\item[5] \(\frac{\pi}{6}\)
\end{itemize}