[填空题] 下列事件过程的功能是:建立一个名为Data1的随机文件,存放角度值及这些角度的正弦函数值和余弦函数值,角度为1 2,3,…,90。请在空白处填入适当的内容,将程序补充完整。 Private Type Ang K As Integer Sinx As Single Cosx As Single End TyPe Dim Ksc As Ang Private Sub Form_Click() Dim Y As Single Open "c:Data1.txt" For Random As #2 Len=10 Y=3.14159/180 For i=1 T0 90 Ksc.K=i Ksc.Sinx=Sin(i*Y) Ksc.Cosx=Cos(i*Y) ______ Next Close #2 End Sub