The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct. 
Definitions:
Marketing Research
The method of collecting, examining, and understanding data about a marketplace, including prospective clients and rivals.
Measures of Success
Criteria or benchmarks used to evaluate the effectiveness or achievement of a particular activity or goal.
Decision Makers
Decision makers are individuals or groups responsible for making choices that can affect an organization or other group's course of action.
Marketing Research Approach
A systematic method that involves collecting and analyzing data to understand market trends, customer preferences, and product potential.
Q4: Solve the triangle. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="Solve the
Q9: A ship travels 155 kilometers on a
Q34: Find all solutions if <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg" alt="Find
Q61: Find all solutions in radians using exact
Q62: The San Francisco cable cars travel by
Q67: Find the area of the sector formed
Q102: Eliminate the parameter t in the following:
Q110: Use addition of y -coordinates to sketch
Q116: Use a calculator to find θ to
Q134: Find all degree solutions for the following.