Find the interval of convergence for the Maclaurin series for
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Multiple Choice
Approximate sin0.3 to four decimal places using the third-degree Maclaurin polynomial for f(x)=sinx.
A
0.0045
B
0.3000
C
0.2955
D
0.3045
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Verified step by step guidance1
Step 1: Recall the Maclaurin series expansion for sin(x). The general formula is: sin(x) = x - (x^3/3!) + (x^5/5!) - ... . For a third-degree polynomial, we only consider terms up to x^3.
Step 2: Substitute x = 0.3 into the truncated Maclaurin series: sin(0.3) ≈ 0.3 - (0.3^3/3!).
Step 3: Compute the factorial in the denominator of the second term. Recall that 3! = 3 × 2 × 1 = 6.
Step 4: Simplify the expression by calculating 0.3^3 and dividing it by 6. Then subtract this value from 0.3.
Step 5: The result from the above calculation will approximate sin(0.3) to four decimal places using the third-degree Maclaurin polynomial.
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