Find equivalent expressions that have the LCD.
, 
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: C
Mathematics
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Determine convergence or divergence of the series.
A. Diverges B. Converges
Mathematics
Use identities to find the exact value of the trigonometric function.Find cos ?, given that sin ? = 
and ? is in quadrant II.
A. - 
B. 
C. - 
D. 
Mathematics
Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
A. 
- 2
B. (z - 2)2
C. z - 2
D. z - 
Mathematics
If possible, evaluate the expression at the given value of the variable.
, x = -4
A. 
B. - 
C. - 
D. Undefined
Mathematics