Learning Resources

Investigation 3: A New Relationship & Investigation 4: Models With Undefined Behaviour

Step B

Complete the table using decimal approximation, as they are easier to plot than radicals. Think about the formula for the tangent function as it is written in terms of sine and cosine. How can you tell where it is that the tangent function will be undefined? If you are having difficulty answering this question, think for a moment about when it is that a fraction is undefined. Which function is found in the denominator of the tangent function?