xieguigang 56a631c91a update file headers		2019-02-19 18:25:51 +08:00
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Arctan.vb	update file headers	2019-02-19 18:25:51 +08:00
Trigonometric.vb	update file headers	2019-01-18 22:48:45 +08:00
Trigonometric2.vb	update file headers	2019-02-19 18:25:51 +08:00