Solve the equation on the interval 0 ? ? < 2?.
sin ? - cos ? = -1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find projv u.v = i + j + k, u = 4i + 12j + 3k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics
Evaluate. The differential is exact.
A. 2 B. 0 C. -2 D. 1
Mathematics
Find the amount of the sale before sales tax was added. Round to the nearest cent.Total Sale: $10,987.47Sales Tax Rate: 6%
A. $10,464.26 B. $6867.17 C. $10,268.66 D. $10,365.54
Mathematics
Find the midpoint of the segment with the given endpoints.
and 
A. 
B. (144, 0)
C. (36, 36)
D. 
Mathematics