单词	versin
释义	versin /ˈvəːsɪn / /ˈvəːsʌɪn/ (also versine) noun Mathematics Another term for versed sine.The versine is related to the sine by the formula versin x = 1-cos x.... He also introduced the versine into trigonometry. Origin Early 19th century: abbreviation.
随便看	matronymic matross mat-rush matryoshka matryoshka doll matsu matsuri matsutake matsutaki Matsuyama matt Matt. mattamore mattar mattar paneer matte matted matted sea lavender matte line matter Matterhorn matterless matter of course matter of fact matter-of-factly

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