How many times is tan(t) = y/x undefined on the unit circle?
Question
Answer:
It is undefined when x=0 (y-axis), this occurs two times during one full revolution of the unit circle. Once at [tex] \frac{\pi}{2} [/tex] or 90° and again at [tex] \frac{3\pi}{2} [/tex] or 270°.
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10 months ago
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