= cOs x, xo = 0, x1 = 0.6 and x2 = 0.9. Use cardinal/base functions to construct the Lagrange interpolation polynomial of degree at · Let f(x) Question 4 ( (a) ( most two to approximate f. Use cos (0.6) = 0.8 and cos (0.9) = 0.6.

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Question 4 (
(a) (
most two to approximate f. Use cos (0.6) = 0.8 and cos (0.9) = 0.6.
Let f(x) = cos x, xo = 0, xı = 0.6 and x2 = 0.9.
Use cardinal/base functions to construct the Lagrange interpolation polynomial of degree at
(b) ,
Use the Theorem of the course to find an error bound for the approximation.
Transcribed Image Text:Question 4 ( (a) ( most two to approximate f. Use cos (0.6) = 0.8 and cos (0.9) = 0.6. Let f(x) = cos x, xo = 0, xı = 0.6 and x2 = 0.9. Use cardinal/base functions to construct the Lagrange interpolation polynomial of degree at (b) , Use the Theorem of the course to find an error bound for the approximation.
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