Does anyone know the answer to this?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Find the rate of change for the situation. you run 7 miles in one hour and 21 miles in three hours.