2010002004

SubArea: 
Derivative
Level: 
B
Project ID: 
2010002004
Source Problem: 
9000063110
Accepted: 
0
Clonable: 
1
Easy: 
0
Differentiate the following function. f(x)=cos⁡x(1−cotg⁡x)
f′(x)=−sin⁡x+cos⁡x+cos⁡xsin2⁡x, x∈R∖{kπ;k∈Z}
f′(x)=cos⁡xsin2⁡x, x∈R∖{kπ;k∈Z}
f′(x)=−sin⁡x+cos⁡x, x∈R∖{kπ;k∈Z}
f′(x)=−sin⁡x+2cos⁡x, x∈R∖{kπ;k∈Z}