Express the product as a sum containing only sines or cosines.cos(4?) cos(3?)
A. 
[cos(7?) - sin ?]
B. cos2(12?2)
C. 
[ cos ? + cos(7?)]
D. 
[cos(7?) - cos ?]
Answer: C
Mathematics
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Find an approximate value for the integral, using Simpson's rule with n intervals.
, n = 4
A. 
B. 
C. 
D. 
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 
C. 
D. 
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Use a calculator to evaluate the expression. 
A. 7315 B. 43,890 C. 175,560 D. 29,260
Mathematics
Write the improper fraction as a mixed or whole number.
A. 4
B. 5
C. 6
D. 5
Mathematics