How do you tell whether the value of tan 90 degrees is positive, negative, zero or undefined?, Socratic

The point P (x,-1/3) lies on the unit circle and is in quadrant 4. What is the exact value of x in its simplest form? What are the exact values of the

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Tan 90 Degrees - Find Value of Tan 90 Degrees

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How do you evaluate tan 90 ?

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Tangent Approaches Infinity as we approach 90 degrees from 0