Simplify the expression. 
? 
A. 
B. 
C. 
D. - 
Answer: B
Mathematics
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Use the information given about the angle ? to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find sin 
.
A. 
B. 
C. 
D. 
Mathematics
Use an appropriate identity to find the exact value of the expression.sin 
A. 
B. - 
C. 
D. - 
Mathematics
Find values of x and y such that both fx(x, y) = 0 and fy(x, y) = 0.f(x,y) = x3 - 4xy + 8y
A. x = 0, y = 0
B. x = 2, y = 2
C. x = 2, y = 3
D. x = 
, y = 2
Mathematics
Add or subtract.(6 + 5i) - (-5 + i)
A. -11 - 4i B. 1 + 6i C. 11 - 4i D. 11 + 4i
Mathematics