(Steps Shown) a) Find the first 4 non-zero terms in the Taylor series for cos x, using the definition of the Taylor series, i.e. f(x)=∑ (f^(n)(0))/(n
Question: a) Find the first 4 non-zero terms in the Taylor series for \(\cos x\), using the definition of the Taylor series, i.e. \(f(x)=\sum \frac{f^{(n)}(0)}{n !} x^{n}\)
b) Determine limit \(\frac{1-\cos x-x^{2} / 2}{x \rightarrow 0}\) in two different ways:
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