高中数学代数与函数一函数练习题88
题目内容

如图所示,单位圆中弧AB的长为x,f(x)表示弧AB与弦AB所围成的弓形面积的2倍,则函数y=f(x)的图象是http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538295782164.gif

2021-08-04

A.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538295931566.gif

B.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538296561665.gif

C.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538296711683.gif

D.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538297031658.gif

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