Use reduction formulas to evaluate the integral.
A. - 
csc2 
cot 
- 
cot 
+ C
B. - 
csc2 
cot 
- 
csc 
+ C
C. - 
csc2 
cot 
- 
cot 
+ C
D. - 
csc3 
cot 
+ 
cot 
+ C
Answer: A
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Indicate whether the equation illustrates the multiplication property of 0, the multiplicative identity, the commutative property of multiplication, or the associative property of multiplication.(4.3)(2.5) = (2.5)(4.3)
A. Multiplication property of zero B. Commutative property of multiplication C. Multiplicative identity D. Associative property of multiplication
Find the reciprocal, if it exists.-6.7
A. - 
B. 1
C. - 
D. 6.7
Fill in the blank with one of the words or phrases listed below. 
A number's distance from 0 is called its
.
A. absolute value B. solution C. union D. intersection
Solve.When making a telephone call using a calling card, a call lasting 6 minutes cost $1.10. A call lasting 15 minutes cost $2.00. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that relates the cost of a making a call, y, to the time x.
A. y = 0.1x - 13
B. y = 0.1x + 0.5
C. y = 10x - 
D. y = -0.1x + 1.7