Page 17 - mathematics
P. 17
The Derivative of a Composite Examples
Function
Differentiate the functions:
d f g h x a) y sin x 2 y cos x 2
dx
f g h x 2x
g hx x3 y ' sin x 3 sin x
1
b) y cos sin x
hx 2 x 3 sin x
x 3x 2 cosx
Examples Example
1 y 5 tan 1 x tan sec hx 1 2 y e x 3 ln cot2 x
cosh e x 3 ln cot x 2
5
y 1 tan sec hx 4 / 5
5
][y ex 3
sec2 sec hx 1 2 2 cot x csc2 x
cot x
sec hx tanh x ][ lncot x 2 e x 3 3x 2
17