Express the sum or difference as a product of sines and/or cosines.cos(2?) - cos(4?)
A. 2 sin(3?) sin ?
B. cos(-2?)
C. -2 sin(3?) sin ?
D. -2 cos(3?) sin ?
Answer: A
Mathematics
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A reason for a particular political position is given. There may be other issues that are left unstated. Identify at least one unstated issue that could be the "real issue" of concern.Smoking should be banned in all public places. Second-hand smoke is harmful, causing lung cancer and heart disease.
What will be an ideal response?
Mathematics
Subtract.(2x3 - 2x + 2) - (-x3 - 8x2 + 6)
A. 3x3 + 8x2 + 2x + -4 B. 2x3 + 8x2 - 2x + 8 C. 3x3 + 8x2 - 2x + -4 D. 3x3 - 8x2 - 2x + 8
Mathematics
Reduce 125/625 to its lowest form.
a. 12/50 b. 5/25 c. 1/5 d. 25/125 e. 126/625
Mathematics
Find the exact value of the expression or state that it does not exist.tan(cos-1 1)
A. 0
B. 
C. 
D. -1
Mathematics