Express the sum or difference as a product.cos 4x + cos 2x
A. 2 cos 3x cos x
B. 2 cos 3x sin x
C. 2 cos 3x
D. 2 sin 3x sin x
Answer: A
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Answer the given question by setting up and solving the appropriate proportion. If necessary, round the answer to two decimal places.Two separate sections of a roof have the same slope. If the rise and run on one section are, respectively, 2.0 m and 4.7 m, what is the run on the other section if its rise is 5.0 m?
A. 3.6 m B. 11.75 m C. 12.75 m D. 4.6 m
Perform the indicated operations using a calculator. 
A. 2.098 B. 0.2618 C. 2.10 D. 0.262
Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.B = 110°, b = 3, a = 25
A. one triangle; A = 56°, C = 15°, c = 32 B. one triangle; A = 55°, C = 15°, c = 28 C. one triangle; A = 54°, C = 15°, c = 30 D. no triangle
C:\Users\Nejenn\Desktop\data entry\figures\(1) multiple choice.png
 FIGURE 1.png)