$$\text { Use Newton's method to obtain an approximation to the root of } \cos ^ { - 1 } x - 2 x = 0 \text { to within } 0.00001 \text {. }$$

Short Answer

$$\text { Use Newton's method to obtain an approximation to the root of } \cos ^ { - 1 } x - 2 x = 0 \text { to within } 0.00001 \text {. }$$