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The first few periodic Mathieu cosine functions, for q=1, n = 0,1,2,3.

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• (del) (cur) 00:06, 4 October 2005 . . en:User:Hillman Hillman ( en:User_talk:Hillman Talk) . . 480x480 (13752 bytes) (The first few periodic Mathieu cosine functions, for q=1, n = 0,1,2,3.)