What is the Taylor Polynomial for Arcsin x at a = 0 and n = 3?

In summary, the conversation is about finding the Taylor polynomial for the function arcsin x at a = 0, n = 3. The suggested method is to use the formula and plug in the values for f(x) and its derivatives. The difficulty lies in finding the derivative of arcsin, but the rest of the problem is similar to finding the Taylor polynomial for sine.
  • #1
vigintitres
26
0

Homework Statement



Find the Taylor polynomial T_n(x) for the function arcsin x at a = 0, n = 3

Homework Equations



Well, I understand the Taylor poly. for sine, but how do i get arcsine?
 
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  • #2
Put f(x)=arcsin(x)
find f(0),f'(0) and so on and just put it into the formula.
 
  • #3
Okay, is the problem that you don't know how to take the derivative or arcsin? Because if you can do that then the rest of the problem should be just like finding the taylor polynomial of sine.

I tried the problem out and the only thing that's different then the sine curve problem is that taking the derivative of arcsin is considerably harder.
 
Last edited:
  • #4
thanks all, got it...
 

1. What is the purpose of using Taylor polynomials in applications?

Taylor polynomials are used to approximate more complex functions with simpler polynomial functions. This allows for easier calculation and analysis of the original function.

2. What are some common real-world applications of Taylor polynomials?

Taylor polynomials are commonly used in physics, engineering, economics, and other fields to model and analyze various phenomena. They can also be used in computer graphics to create smooth curves and surfaces.

3. How do Taylor polynomials help in error analysis?

Taylor polynomials can be used to estimate the error in the approximation of a function. This can be helpful in determining the accuracy of a model or calculation.

4. Can Taylor polynomials be used with any function?

Taylor polynomials can be used with any infinitely differentiable function. However, the accuracy of the approximation may vary depending on the complexity of the function and the chosen degree of the polynomial.

5. How do you determine the degree of a Taylor polynomial for a given function?

The degree of a Taylor polynomial is determined by the number of derivatives used in the polynomial. Generally, a higher degree polynomial will provide a more accurate approximation of the function, but will also require more calculations.

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