Express the product as a sum containing only sines or cosines.sin (4?) cos (2?)
A. 
[cos (6?) - cos (2?)]
B. 
[sin (6?) + sin (2?)]
C. sin cos (8?2)
D. 
[sin (6?) + cos (2?)]
Answer: B
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Use your calculator to evaluate the expression. If necessary, round your answer to the nearest thousandth.e?
A. 5.860 B. 22.459 C. 8.540 D. 23.141
Find the dimension of the object and state whether or not it is a fractal.In measuring the area of the object, when you reduce the length of your ruler by a factor of 6 the number of length elements increases by a factor of 36.
A. The dimension is 3 and the object is ordinary (non-fractal). B. The dimension is 2 and the object is ordinary (non-fractal). C. The dimension is 1 and the object is ordinary (non-fractal). D. The dimension is 6 and the object is a fractal.
Solve the problem and write the answer using scientific notation.The distance from the earth to the sun is 92,900,000 miles. How long would it take a rocket, traveling at 
miles per hour, to reach the sun?
A. 3.2 × 102 hr B. 3.2 × 103 hr C. 3.2 × 104 hr D. 3.2 hr
Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.y + 9 = (x + 3)2
A. vertex: (3, 9)
axis of symmetry: x = 3
B. vertex: (- 3, - 9)
axis of symmetry: x = - 3
C. vertex: (- 3, 9)
axis of symmetry: x = - 3
D. vertex: (3, - 9)
axis of symmetry: x = 3