Express the sum or difference as a product of sines and/or cosines.sin(3?) - sin(5?)
A. -2 sin ? cos(4?)
B. 2 cos(3?) cos(4?)
C. -2 sin ?
D. 2 sin(4?) cos ?
Answer: A
Mathematics
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Divide.- 
÷ 
A. - 
B. 
C. 
D. - 
Mathematics
Construct a frequency polygon.
A. Frequency
| Hours of sleep |
B. Frequency
| Hours of sleep |
Mathematics
Simplify.324/5
A. 16 B. 128 C. 512 D. 256
Mathematics
Find the vertex.f(x) = -(x + 3)2 - 7
A. (-3, 7) B. (3, 7) C. (3, -7) D. (-3, -7)
Mathematics