What are the key characteristics of the cotangent function f(x) = cot(x)? Characteristics include: period of π, symmetric about x-axis, asymptotes at x = nπ, where n is an integer, and range of all real numbers except x = nπ.
+
What is the maximum value attained by the sine function f(x) = sin x?
+
Math question: What is the limit as x approaches 2 of (3x^2 + 7x - 4) / (x + 3)?