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Dmitry [639]
2 years ago
12

High school math question

Mathematics
1 answer:
Sloan [31]2 years ago
7 0

Answer: Choice C. x = \pm\frac{\pi}{6}

=========================================================

Explanation:

Recall that

\tan(x) = \frac{\sin(x)}{\cos(x)}\\\\

So we can say

\tan(3x) = \frac{\sin(3x)}{\cos(3x)}\\\\

The vertical asymptotes occur when the denominator is zero.

If we were to plug in x = \frac{\pi}{6}, then we'd have,

\tan(3x) = \frac{\sin(3x)}{\cos(3x)}\\\\\tan(3*\frac{\pi}{6}) = \frac{\sin(3*\frac{\pi}{6})}{\cos(3*\frac{\pi}{6})}\\\\\tan(\frac{\pi}{2}) = \frac{\sin(\frac{\pi}{2})}{\cos(\frac{\pi}{2})}\\\\\tan(\frac{\pi}{2}) = \frac{1}{0}\\\\\tan(\frac{\pi}{2}) = \text{und}\text{efined}\\\\

This shows that one vertical asymptote is at x = \frac{\pi}{6}

Through similar steps, you should find that another vertical asymptote is at x = -\frac{\pi}{6}

We can condense those two equations into x = \pm\frac{\pi}{6}

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