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

question 31

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


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