# Math Help - Find all the first and second order partial derivatives of

1. ## Find all the first and second order partial derivatives of

Find all the first and second order partial derivatives of .
A.
B.
C.
D.
E.
F.

2. Originally Posted by ewkimchi
Find all the first and second order partial derivatives of .
A.
B.
C.
D.
E.
F.
Chain Rule

Here is A as an example for the rest: remember the derivative of sine is cosine.
$-10*cos(2x+y)*2+3*sin(x-y)=3*sin(x-y)-20*cos(2x+y)$