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=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