Integrate the function.
A. sin-1 
+ C
B. 
tan-1 
+ C
C. 
sin-1 
+ C
D. tan-1 
+ C
Answer: A
Mathematics
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Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. 
- 
tan 7t + x + C
B. 
- 
tan27t + 
tan 7t + x + C
C. - 
+ 
tan 7t + C
D. 
- tan 7t + x + C
Mathematics
Classify as true or false, assuming that a, b, c, and d are whole numbers and d ? 0.If d
, then d
or d
.
A. True B. False
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics