Derivative

9000070703

Level: 
B
Differentiate the following function. f(x)=sinxcosx
f(x)=sinx+cosx2sinxcosx; x(π4+2kπ;5π4+2kπ), kZ
f(x)=sinx+cosx2sinxcosx; x[π4+2kπ;5π4+2kπ], kZ
f(x)=sinxcosx2sinxcosx; x[π4+2kπ;5π4+2kπ], kZ
f(x)=sinxcosx2sinxcosx; x(π4+2kπ;5π4+2kπ), kZ