Mathematics
Senior High

(8)です
tanと置くときって、( X-1)のときもなんですか?

トト * ント ] * gr = 7 い/ コー ⑲ |ティ 3 の 1 (の ーー |⑳ う 1 a を に 4 1 (Q⑯⑩ ( Sin rcosxg* 0 0 (⑪) sm 4rcOsygx 2②) [smgz

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