Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Answer: D
Mathematics
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = e2x 
A. 2 + 
x + 
x2 + 
x3 + . . .
B. 1 + 
x + 
x2 + 
x3 + . . .
C. 1 - 
x + 
x2 - 
x3 + . . .
D. 1 + 
x + 
x2 + 
x3 + . . .
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
- 
= 
A. {13} B. {52} C. {-13} D. {44}
Mathematics
Evaluate.i23 + i19
A. -2i B. 2 C. -2 D. 0
Mathematics