Use Newton's method to approximate a root of the equation 3sin(x)=x as follows.

Question

Let x1=1 be the initial approximation.
The second approximation x2 is
and the third approximation x3 is

for x2 I got -1.454 which is right but I can't get x3

Answer 1

See:
http://www.jiskha.com/display.cgi?id=1283924839