xieguigang 687da675af add source files		2018-08-02 20:14:48 +08:00
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Arctan.vb	add source files	2018-08-02 20:14:48 +08:00
Trigonometric.vb	add source files	2018-08-02 20:14:48 +08:00
Trigonometric2.vb	add source files	2018-08-02 20:14:48 +08:00