下列事件过程的功能是：在C盘根目录下，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 Ptivate Sub Form_Click() DimY As Single Open (14) Y=3.14159 /180 For i=1 To 90 Ksc.K=i Ksc.Sinx=Sin(i*Y) Ksc.Cosx=Cos(i*Y) (15) Next i Close #2 End Sub