下列事件过程的功能是：建立一个名为Datal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 Inteeer
Sinx As Single
Cosx As Single
End Tyre
Dim Ksc As Ane
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 To 90
Ksc.K=i
Ksc=Sinx=Sin(i*Y)
Ksc.Cosx=Cos(i*Y)
【15】
Next
Close #2
End Sub