Questions as follows:
(1) write a custom function calculation cosx 2 n order Taylor polynomial Pn (x) values;
(1) (2) the call of the function, draw near 0 in a coordinate system of the Pn (x) (n=1, 3, 5) curve, and comparing with the curve of the cosx:
The first came to CSDN this BBS, the first post inquire, lovely and clever, please everybody to help thank you thank you!

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