0
Firstly, with the unit circle (r=1) we need to know that:
at 270 degrees our coordinates are (0, -1)
sine(270 degrees) = -1
cosine(250 degrees) = 0
cotangent = cosine / sine
therefore: cot ( 270 degrees) = 0/-1 = 0
The answer is 0.
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∙ 11y ago
Anonymous
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