011-40705070  or  
Call me
Download our Mobile App
Select Board & Class
  • Select Board
  • Select Class
Shivani Thakur from Delhi Public school,Korba, asked a question
Subject: Math , asked on 14/3/11

 what is the derivative of cos3x????????????????

Sr From Delhi Public School, added an answer, on 14/3/11
70 helpful votes in Math

d/dx (cos 3x) =  d/dx (cos 3x) .d/dx (3x)  (by using chain rule )

  =  (- sin 3x) (3)

  = -3 sin 3x

  • Was this answer helpful?
  • 1
100% users found this answer helpful.
View More 1 Answer

Add an Answer