Differentiate each of the following w.r.t. x:
sin 4x
Formulae :
• 
• 
Let,
y = sin 4x
and u = 4x
therefore, y = sin u
Differentiating above equation w.r.t. x,
…………. By chain rule
…………. 
= cos 4x . 4
= 4 cos 4x
1
Differentiate each of the following w.r.t. x:
sin 4x
Formulae :
•
•
Let,
y = sin 4x
and u = 4x
therefore, y = sin u
Differentiating above equation w.r.t. x,
…………. By chain rule
………….
= cos 4x . 4
= 4 cos 4x