(Solved):The cosine of an angle can be computed from the following infinite series: cos x = 1-x^2 2! +x^4 4! -x^6 6! + Write a program that reads an angle x (in radians) from the keyboard. Then, in a funct… View Answer…

 

Question

The cosine of an angle can be computed from the following infinite series:

{eq}displaystyle cos x = 1-frac{x^2}{2!}+frac{x^4}{4!}-frac{x^6}{6!}+cdots

{/eq}

Write a program that reads an angle x (in radians) from the keyboard. Then, in a function compute the cosine of the angle using first five terms of the series. Print the value computed along with the value of the cosine computed using the C++ library function.

 

EXPERT ANSWER

#include<iostream>
#include<cmath>
using namespace std;
long

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