Author Topic: differentiating of trigo  (Read 816 times)

Offline lhl_anecar

  • Newbie
  • *
  • Posts: 24
  • Reputation: 40
differentiating of trigo
« on: October 31, 2010, 03:53:19 pm »
Any idea how do i differentiate this,

1-sin x / (1+sin x) using chain rule?

thanks!

Offline Tyserius

  • Actuary Wannabe
  • SF Geek
  • ****
  • Posts: 318
  • Reputation: 383
  • Gender: Male
  • You are who you choose to become
Re: differentiating of trigo
« Reply #1 on: November 03, 2010, 01:15:44 am »
I'll give you a hint as a start. Try multiplying the top and the bottom by (1-sin x). You should get something familiar in the bottom and try work from there. It should work :)
Take it easy and go slow and steady.