Verify the identity.(1 - cos x)(1 + cos x) = sin2x
What will be an ideal response?
(1 - cos x)(1 + cos x) = 1 - cos2x = sin2x
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Solve the problem.A bakery plans to market a mixed assortment of its two most popular cookies, Chocolate Chip and Toffee Chunk. The marketing analyst proposes that the new assortment be constrained by the inequality 
where C is the number of Chocolate Chip cookies and T is the number of Toffee Chunk cookies. The sales analyst suggests that the assortment should be constrained by the inequality 
The number of each type of cookie cannot be negative, so 
/> and
Graph the region satisfying all the requirements for the assortment using C as the horizontal axis and T as the vertical axis. Does the combination of 6 Chocolate Chip cookies and 3 Toffee Chunk cookies satisfy all of the requirements?
A. No
B. Yes
C. No
D. Yes
The number line in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported.
Germany's net exports are represented by a positive integer. Explain what this tells you about imports and exports of Germany.
A. Germany's total exports are 35 billion dollars. B. Germany's total imports are 35 billion dollars. C. Germany's exports exceed imports by 35 billion dollars. D. Germany's imports exceed exports by 35 billion dollars.
Find the requested fraction.
= 
A. 
B. 
C. 
D. 
Solve and graph the inequality. Give answer in interval notation.8 + 6x + 2 ? 5x + 7
A. (6, ?)
B. (-?, -3]
C. (-?, 6)
D. [-3, ?)