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 【 】
Y=3．14159/180
For I=1 To 90
Ksc．K=I
Ksc．Sinx=Sin(I*Y)
Ksc．Cosx=Cos(I*Y)
【 】
Next I
Clise #2
End Sub