if sinx/x = 599/600, then find x in radian?

• As sin (x)/x is nearly equal to 1
  so sin x =x
  so we can use sin x = x-x^3/3!+x^5/5!-...
  here we can take only first two terms as x is small
  so sin (x)/x = (x-x^3/3!)/x = 1-x^2/6
  1-x^2/6 = 599/600
  solving we get x=.1 and x=-.1 radian
  
• 10 years agoHelpfull: Yes(1) No(0)