You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
Q: It is the (secant(x))^2; or you could write it as (cos(x))^(-2) or 1/(cos(x))^2.\n\nBut basically the secant squared is the most elegant answer.
A: 
What is the derivative of tangent?