A、<span style="font-size:16px;font-family: 'Times New Roman','serif'">sqrt(sin(x)>0?sin(x):-sin(x))</span>
B、<span style="font-size:16px;font-family: 'Times New Roman','serif'">sqrt(fabs(sinx))</span>
C、<span style="font-size:16px;font-family: 'Times New Roman','serif'">sqrt(sqrt(sinx*sinx))</span>
D、<span style="font-size:16px;font-family: 'Times New Roman','serif'">fabs(sqrt(sin(x)))</span>
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