SOLUTION: Explain why tan270°is undefined.

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Question 1139852: Explain why tan270°is undefined.
Found 2 solutions by MathLover1, josgarithmetic:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

tan%28270%29°
rewrite the angle
tan%28270%29=tan%28180%2B90%29°

=>tan%28270%29=tan%2890%29°


tan%2890%29=1%2F0+ which is undefined

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Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Three-quarters of full rotation of unit ray puts the direction vertical pointing downward. Vertical ray or vertical line still have the same undefined slope. No horizontal change.