Simplify the complex number and write it in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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A. ln(
)
B. ln(
+ 1)
C. ln(2
)
D. 1 - ln(
+ 1)
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A. 
B. 
C. e - 1
D. 2e - 1
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A. 
B. 
C. - 
D. - 
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Use a half-angle formula to find the exact value of the expression.sin 
A. - 
B. 
C. - 
D. 
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