Question: 3 . f ( x ) = cos ( x ) - x equation has a root in the interval [ 0 , Pi /

3. f(x)= cos(x)-x equation has a root in the interval [0,Pi/2]. Approximate the root
within an absolute approximation
error less than 10-5
.
4. Compare the result of
Problem-3 with the value of the
root obtained using
Newton-Raphson method starting at x0=0.5. Comment on the difference in
convergence behaviour.

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