Posted by **farouk** on Wednesday, November 16, 2011 at 3:02am.

Show that the equation;x+3sinx=2 has a root between x=0.4 and x=0.6 using newton raphson's formular only

- calculus -
**Steve**, Wednesday, November 16, 2011 at 5:56am
f(x) = x + 3sinx - 2

f'(x) = 1 + 3cosx

1: f(0.6000000) = 0.2939274

2: f(0.5154411) = -0.0058029

3: f(0.5170484) = -0.0000019

4: f(0.5170490) = -0.0000000

- calculus -
**MathMate**, Wednesday, November 16, 2011 at 1:22pm
Farouk, It would be a good idea to check back the previous posts you have made before reposting. It may save you a long wait.

See answer to your previous post:

http://www.jiskha.com/display.cgi?id=1321390404

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