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On the unit circle, where 0<0<2pi, when is tan 0 undefined?
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On the unit circle, where 0<0<2pi, when is tan 0 undefined?

On the unit circle, where 0<0<2pi, when is tan 0 undefined?-example-1
User Andrew W
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2 Answers

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Answer: C

Explanation:

User Satish Gadhave
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2 votes
The tangent is the slope so is undefined when there’s no slope, which means a vertical angle, 90 degrees or -90 degrees aka 270 degrees. In radians that pi/2 and 3pi/2, choice C
User Takahirom
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