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:
Business Proposal
A document designed to offer specific goods or services to a potential buyer or client.
Overhead Costs
The ongoing expenses not directly attributed to creating a product or service but necessary for running a business, such as rent, utilities, and administrative salaries.
Budget
An estimate of income and expenditure for a set period of time, often used for planning and managing finances.
Statement Of Needs
A documented expression of the requirements or necessities that a project, proposal, or program aims to address or fulfill.
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