Expansion of any term
Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.
1. 4 sin 2x cos 2x
2. cos^2 4x - sin^2 4x
3. 2 -4 cos^2 2x
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What is the molar concentration of a solution prepared by dissolving 0.100 moles of potassium nitrate in enough water to prepare 400 mL of the solution?
Franz began business at the start of this year and had the following costs: variable manufacturing cost per unit, $9; fixed manufacturing costs, $60,000.
Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units):
In what areas of the hospital must the numbers of microorganisms in the environment be strictly reduced to the minimum?
Sweeney & Associates, a large marketing firm, adjusts its accounts at the end of each month. The following information is available for the year ending December 31, 2011.
Mustaine Company sells only one product at a regular price of &7.50 per unit. Variable expenses are 60% of sales and fixed expenses are $30,000. Management has decided to decrease the selling price to $6.00.
Net income of $48,220 was reported, and dividends of $24,170 were paid in 2014. New equipment was purchased and none was sold.
Why is it necessary to wear clean, protective clothing when caring for a patient? Why should hair be kept clean and out of the way when caring for patients?
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