Find the exact value of the expression.sin 
A. 
B. 
C. - 
D. 
Answer: A
Mathematics
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Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship 
, where S(x) represents the number of sales in year x, with 
corresponding to 1982. In what year would the sales be 3260?
A. 1992 B. 1989 C. 1991 D. 1990
Mathematics
Use a calculator to evaluate 
. Round the answer to two decimal places.
A. 
B. 
C. 
D. 
E. 
Mathematics
Establish the identity.(cos ? + sin ?)2 + (cos ? - sin ?)2 = 2(cos2? + sin2?)
What will be an ideal response?
Mathematics
Perform the indicated operation and express in lowest terms.
? 
÷ 
A. 1
B. 
C. 
D. 
Mathematics