Use the basic identities to simplify the expression.cot2 ? - (csc ? - 1)(csc ? + 1)
A. 0
B. 2
C. 1
D. 2 cot2 ?
Answer: A
Mathematics
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Provide an appropriate response.Graph the set -5 < x < -1 on a number line.
A. 
B. 
C. 
D. 
Mathematics
Perform the operation indicated. Simplify.
+ 
A. x + 3
B. x - 2
C. 
D. x - 3
Mathematics
Graph the equation as a solid line. Graph the inverse relation as a dashed line on the same axes by reflecting across the line y = x.y = 
x + 3
A. 
B. 
C. 
D. 
Mathematics
Decompose into partial fractions.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics