Express the sum or difference as a product of sines and/or cosines.sin(6?) - sin(4?)
A. 2 sin(5?) cos ?
B. -2 sin(5?) cos ?
C. -2 sin ? cos(5?)
D. 2 sin ? cos(5?)
Answer: D
Mathematics
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Perform the indicated operations. Write the answer in the form a + bj.8j + (-2 - j)
A. -2 + 7j B. 2 - 9j C. -2 + 9j D. 2 - 7j
Mathematics
Solve the problem.A female tiger had 4 cubs. They weigh 2
, 2
, 3
, 4
pounds, respectively. What was the mean weight of a cub?
A. 2
pounds
B. 3
pounds
C. 2
pounds
D. 
pound
Mathematics
Add or subtract as indicated.Subtract:
A. -26x11y3 B. 5x6 - 9x4y - 33y2 C. 5x6 - 28x4y - 3y2 D. 5x6 - 28x4y - 33y2
Mathematics
Find the ordered pair for the vertex.y = x2 - 20x + 101
A. (1, 10) B. (1, 0) C. (10, 1) D. (0, 10)
Mathematics