Graphing Trigonometric Functions

B Week 2 Written Assignment 2: Graphing Trigonometric Functions

On her last math test, Kendra was given the following graph and asked to write its equation.

She gave an answer of but her teacher marked her answer as INCORRECT. Respond to the TWO questions below.

1) In COMPLETE sentences, explain what was incorrect about Kendra’s equation in the space below.

2) Write the CORRECT equation for the graph above.