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cosine [cosines]▼◼◼◼noun[UK: ˈkəʊ.saɪn] [US: ˈkoʊ.saɪn]
arccosine▼◼◼◼[UK: ˈɑːkəʊsˌaɪn] [US: ˈɑːrkoʊsˌaɪn]
secant▼◼◼◼[UK: ˈsiːkənt] [US: ˈsiːkænt]
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