Perform the operation shown below and leave the result in trigonometric form. 
Definitions:
Variance Reports
Documents that compare actual performance to planned or budgeted performance, highlighting differences or "variances."
Top Management
Refers to the highest level in the management hierarchy, responsible for the overall strategy and direction of an organization.
Standard Cost
A predetermined cost of manufacturing, which is often used in budgeting and variance analysis.
Budgeted Amount
The estimated financial expenditure or revenue for a specific period, often used as a plan or guideline for managing finances.
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