The function \[f(x)=1+x(\sin x)[\cos x],0

1.	The function \[f(x)=1+x(\sin x)[\cos x],0
A.	Is continuous on \[\left( 0,\frac{\pi }{2} \right)\]
B.	Is strictly increasing in \[\left( 0,\frac{\pi }{2} \right)\]
C.	Is strictly decreasing in \[\left( 0,\frac{\pi }{2} \right)\]
D.	Has global maximum value 2
Answer» B. Is strictly increasing in \[\left( 0,\frac{\pi }{2} \right)\]

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The function \[f(x)=1+x(\sin x)[\cos x],0

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