Given a function y 4 cos(x), where we are working in RADIANS, answer the following: For all numerical answers, answer to within 3 decimal places. Note that adatpive marking has been used to consider the method mark. a) Calculate the approximate integral of •0.3 S y(x)dx when y(x) is represented by its Maclaurin series up to, and including, the 3rd term. b) What is the absolute difference between your answer in a) and the exact integral of 0.3 y(x)dx ?

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter9: Multivariable Calculus
Section9.4: Total Differentials And Approximations
Problem 14E: Use the total differential to approximate each quantity. Then use a calculator to approximate the...
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Given a function ?=4cos(?)y=4cos⁡(x), where we are working in RADIANS, answer the following:

For all numerical answers, answer to within 3 decimal places.

Note that adatpive marking has been used to consider the method mark.

c)
Using the Maclaurin series up to, and including, the 3rd term, calculate the
approximate gradient of y at x = 0.2.
d)
Given the answer to the integrals from parts a) and b) are not the same, which of the
following are true?
O Whilst there are errors in the approximated integral, the relative errors will
generally decrease if the Maclaurin series included more than the three terms
used here.
O Reducing the upper limit of the integral will reduce the error.
O The Maclaurin series is an approximation to y, hence the integrals of y and its
Taylor expansion will be different.
O Approximating the integrals between the limits [T, 7] using the Maclaurin
series from part a) is appropriate.
O Increasing the limits of the integral will have no effect on the accuracy of the
integral.
Transcribed Image Text:c) Using the Maclaurin series up to, and including, the 3rd term, calculate the approximate gradient of y at x = 0.2. d) Given the answer to the integrals from parts a) and b) are not the same, which of the following are true? O Whilst there are errors in the approximated integral, the relative errors will generally decrease if the Maclaurin series included more than the three terms used here. O Reducing the upper limit of the integral will reduce the error. O The Maclaurin series is an approximation to y, hence the integrals of y and its Taylor expansion will be different. O Approximating the integrals between the limits [T, 7] using the Maclaurin series from part a) is appropriate. O Increasing the limits of the integral will have no effect on the accuracy of the integral.
Given a function y = 4 cos(x), where we are working in RADIANS, answer the following:
For all numerical answers, answer to within 3 decimal places.
Note that adatpive marking has been used to consider the method mark.
a)
Calculate the approximate integral of
-0.3
So" y(x)dx
when y(x) is represented by its Maclaurin series up to, and including, the 3rd term.
b)
What is the absolute difference between your answer in a) and the exact integral of
0.3
Lo" y(x)dx ?
Transcribed Image Text:Given a function y = 4 cos(x), where we are working in RADIANS, answer the following: For all numerical answers, answer to within 3 decimal places. Note that adatpive marking has been used to consider the method mark. a) Calculate the approximate integral of -0.3 So" y(x)dx when y(x) is represented by its Maclaurin series up to, and including, the 3rd term. b) What is the absolute difference between your answer in a) and the exact integral of 0.3 Lo" y(x)dx ?
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