Find the first four nonzero terms in the Maclaurin series for the function.sin x cos x
A. x - x3 +
x5 -
x7+ . . .
B. x - x3 +
x5 -
x7 + . . .
C. x + x3 -
x5 +
x7 + . . .
D. 1 + x - x2 -
x3 + . . .
Answer: A
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