theta

考虑以下程序：＃包括＆lt; cmath＆gt; ＃包括＆lt; stdio.h＆gt; int main（）{double x = 12e-9;双c = cos（x）;双倍one_sub_c = 1 - c;双邻接= x * x;双yhat = one_sub_c / denom; Printf（＆＃34; x......