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。请在空白处填上合适的代码，将程序补充完整。
Private Type Ang
KA3 Integer
Sinx As Single
Cosx As Single
End Type
______’定义Ang类型的变量Ksc
Private Sub Form Click()
Dim Y As Single
Open"C:\Data1.txt"For Random As #1 Len=10
Put #1,1,Ksc
Y=3.14159/180
For i=1 To 90
Ksc.K=i
______=Sin(i*Y)’给变量Ksc的正弦函数值赋值
Ksc.Cosx=Cos(i*Y)
Next i
Close #1
End Sub
