1 名前:以下、名無しにかわりましてVIPがお送りします。[] 投稿日:2007/08/09(木) 18:25:09.42 ID:l685X/7s0
ワカメ姉ちゃん、何でsin2θは2sinθcosθになるですか?
3 名前:以下、名無しにかわりましてVIPがお送りします。[] 投稿日:2007/08/09(木) 18:25:37.69 ID:DLZWSyMl0
ワカメ「ググレ」
4 名前:以下、名無しにかわりましてVIPがお送りします。[] 投稿日:2007/08/09(木) 18:25:47.93 ID:m8e/pPWA0
ワロタwwwwwwwwwwwwwwwww

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