Use a ratio identity to find cot ? if
?
and 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
Mathematics
Multiply or divide as indicated.
A. 0.100968 B. 0.200968 C. 0.090968 D. 0.110968
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.30x + 2.57 B. y = 0.32x + 2.57 C. y = 0.30x + 4.29 D. y = 0.32x + 4.29
Mathematics
Find the phase shift of the function.y = 5 cos (6x + ?)
A. 
units to the left
B. 6? units to the right
C. 5? units to the right
D. 
units to the left
Mathematics