Verify the identity.
= cot 
What will be an ideal response?
= 
= 
= cot 
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Solve the problem.After a new firm starts in business, it finds that its rate of profits (in hundreds of dollars per year) after t years of operation is given by 
Find the profit in year 2 of the operation.
A. $2800 B. $1600 C. $3200 D. $3000
Provide an appropriate response.Solve the following equation (round to the nearest thousandth): 3x2 = 60
Fill in the blank(s) with the appropriate word(s).
Use point plotting to graph the plane curve described by the given parametric equations.x = 5 tan t, y = 4 sec t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Use formulas for perimeter and area to solve the problem.A circular fountain has a statue in its center, 3 m from the edge. Find the perimeter of the fountain. If necessary, use 3.14 for ? and round the result to the nearest tenth.
A. 18.8 m B. 9 m C. 16.8 m D. 9.4 m