chain rule twice
The chain rule tells us how to take the derivative of their composition.
dy/dx=2cos(x3).d/dx(cosx3) chain rule
d/dx(cosx3)=-sinx3.d/dx(x3) chain rule
d/dx(x3)=3×2 power rule
About The Author
|I was a teacher in Srilanka from 1992 to 2006. I took tuition from 1990 to 1991 in India. I do general work in Canada but I help to do homework to my daughters. I finished my teacher\'s training college diploma in Srilanka. I completed my B.Sc degree course at Bharayiar university in India.|