Question

Any even function can be approximated by even trignoteric function

Answer 1

Answer:

Step-by-step explanation:

You may be asked to "determine algebraically" whether a function is even or odd. To do this, you take the function and plug –x in for x, and then simplify. If you end up with the exact same function that you started with (that is, if f (–x) = f (x), so all of the signs are the same), then the function is even.

Answer 2

Answer:

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In mathematics, even functions and odd functions are functions which satisfy particular symmetry relations, with respect to taking additive inverses. They are important in many areas of mathematical analysis, especially the theory of power series and Fourier series. They are named for the parity of the powers of the power functions which satisfy each condition: the function {\displaystyle f(x)=x^{n}}f(x)=x^{n} is an even function if {\displaystyle n}n is an even integer, and it is an odd function if {\displaystyle n}n is an odd integer.

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