AP Calculus BCmediummcq1 pt
The Maclaurin series for cos x is
A.Σ (−1)ⁿx²ⁿ/(2n)!
B.Σ (−1)ⁿx²ⁿ⁺¹/(2n+1)!
C.Σ x²ⁿ/(2n)
D.Σ xⁿ/n!
Explanation
Core Concept
Cosine's even-power, alternating pattern.
Correct Answer
AΣ (−1)ⁿx²ⁿ/(2n)!
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