Use the Graph of the Function $f ( x ) = - 2 \cos ( x ) + \sin ( x )$

Use the graph of the function $f ( x ) = - 2 \cos ( x ) + \sin ( x )$ to approximate the maximum points of the graph in the interval $[ 0,2 \pi ]$ . Round your answer to one decimal.

A) $( 2.7,2.2 ) , ( 6.3 , - 1.8 )$
B) $( - 1.8,6.3 ) , ( 2.7,2.2 )$
C) $( 2.7 , - 1.8 ) , ( 6.3,2.2 )$
D) $( - 1.8,6.3 ) , ( 2.2,2.7 )$
E) $( 2.2,2.7 ) , ( 6.3 , - 1.8 )$