Question

Which of the following lists contains only functions with vertical asymptotes in their graphs?

A. Cosine, sine, tangent, cotangent
B. Tangent, secant, cosecant, cotangent
C. Sine, tangent, secant, cosecant
D. Cosine, sine, secant, cosecant
bobpursley
cosine, sine, vary between 1, -1? So they cannot be in the correct answer.

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