Solve the equation in the real number system.3x3 - x2 - 18x + 6 = 0
A. 
B. 
C. { -3, 
, - 
}
D. { 3, 
, -
}
Answer: B
Mathematics
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Verify the identity.tan (x - ?) = tan x
What will be an ideal response?
Mathematics
Divide and express the result in standard form.
A. 
- 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Identify the fraction as proper or improper.
A. proper B. improper
Mathematics
Use an identity to write the expression as a single trigonometric function or as a single number.sin 22.5°cos 22.5°
A. 
B. 
C. 
D. 
Mathematics