What is the cot 0 =

a. 0
b. -SquareRoot3/3
c. undefined
d. 1

The tangent of 0 (tan0) is 0 (A). However, since the cotangent (cot) is the reciprocal of the tangent, we know that the equation used for cot is 1/tan. Therefore we are dividing by 0 which is infinite. Or in this case, undefined. So the answer is C.

Just trying to show you why the answer is C. :P

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