Use Newton's method to find the first 5 approximations of the solution to the equation LaTeX:  \displaystyle \cos{\left(x \right)}= \frac{89 x^{3}}{100} - 5 using LaTeX:  \displaystyle x_0=1 .

Using the formula for Newton's method gives LaTeX:  x_{n+1} =  x_{n} - \frac{- \frac{89 x_{n}^{3}}{100} + \cos{\left(x_{n} \right)} + 5}{- \frac{267 x_{n}^{2}}{100} - \sin{\left(x_{n} \right)}}   Using LaTeX:  \displaystyle x_0 = 1 and LaTeX:  \displaystyle n = 0,1,2,3, and LaTeX:  \displaystyle 4 gives: LaTeX:  x_{1} =  (1.0000000000) - \frac{- \frac{89 (1.0000000000)^{3}}{100} + \cos{\left((1.0000000000) \right)} + 5}{- \frac{267 (1.0000000000)^{2}}{100} - \sin{\left((1.0000000000) \right)}} = 2.3243174516 LaTeX:  x_{2} =  (2.3243174516) - \frac{- \frac{89 (2.3243174516)^{3}}{100} + \cos{\left((2.3243174516) \right)} + 5}{- \frac{267 (2.3243174516)^{2}}{100} - \sin{\left((2.3243174516) \right)}} = 1.8716297760 LaTeX:  x_{3} =  (1.8716297760) - \frac{- \frac{89 (1.8716297760)^{3}}{100} + \cos{\left((1.8716297760) \right)} + 5}{- \frac{267 (1.8716297760)^{2}}{100} - \sin{\left((1.8716297760) \right)}} = 1.7618677803 LaTeX:  x_{4} =  (1.7618677803) - \frac{- \frac{89 (1.7618677803)^{3}}{100} + \cos{\left((1.7618677803) \right)} + 5}{- \frac{267 (1.7618677803)^{2}}{100} - \sin{\left((1.7618677803) \right)}} = 1.7556697313 LaTeX:  x_{5} =  (1.7556697313) - \frac{- \frac{89 (1.7556697313)^{3}}{100} + \cos{\left((1.7556697313) \right)} + 5}{- \frac{267 (1.7556697313)^{2}}{100} - \sin{\left((1.7556697313) \right)}} = 1.7556505306