Answer the question.For any angle ?, what is the value of sin2? + cos2??
A. -1
B. 
C. 1
D. 2
Answer: C
Mathematics
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Given that p and q each represents a simple statement, write the indicated compound statement in its symbolic form.p: The outside humidity is low.q: The central humidifier is running.r: The air in the house is getting dry.If the outside humidity is low or the central humidifier is not running, then the air in the house is getting dry.
A. (p ? q) ? r B. (p ? ~ q) ? r C. (p ? ~ q) ? r D. (~p ? ~ q) ? r
Mathematics
Find the reciprocal, if it exists.- 
A. 1
B. 
C. 
D. - 
Mathematics
Find the LCD for the rational expression.
, 
A. 8x(x + 1) B. 8x2(x + 1) C. 8(x + 1) D. 64x2(x + 1)
Mathematics
Evaluate the series, if it converges.12 - 3 + 
- 
+ . . .
A. 
B. 
C. 
D. 
Mathematics