Grade

Type of questions

Mathematics Senior High

画像にある、基礎問題精講 数学III 82(1)の、極限の部分について質問です。 画像1枚目の①と、画像2枚目の②を、画像3枚目のように考えてはダメですか? もしダメなのならば、その理由を教えていただきたいです。 回答していだだければ幸いです。よろしくお願いいたします。

第5章 微分法 150 基礎問 r=0-sin0 (0名0名2元)で表。 y=1-cos 0 香の角をなすとき y平面上で媒介変数0を用いて (2) 点Pの座標を求めよ。 れる曲線C上の点Pにおける接線が2軸の正方向と (1)媒介変数で表された関数の微分についてはa ここでは,それを用いてグラブをかく練習をしま」、びま Cのグラフをかけ。 ょう、最大の 精講 第上、 (ただし、一安くaく引を da (2) 直線とご軸の正方向とのなす角をαとすると の直線の傾きはtanα で表せます。(数学II·B 58) 解 答 注参照 (1) 0<0<2xのとき, dy =1-cos 6, dy sin0 dz -=sin0 より de 1-cos0 de d0 11 <0 (1-cos0)? 64 また, dr? よって, グラフは上に凸。 71 また。 dy -0 より de 0=π (0<0<2元 より) sin0=0 0 1-cos0>0 だから, 増滅は右表のよう になる。また。 0 π 0 π dy -= lim sin0(1+cos0) 1-cos°0 dy dr 0 lim 0→+0 dr 0→+0 0 2 0 0 = lim 0→+0 Sin0 1+cos0 -=+0 0 0-2r=t とおくと, 0→2ェー0 のとき, t→-0 lim 0-27-0 dr dy sin (2x+t) 50(5) lim ー-01-cos (2元+t) K

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TOEIC・English Undergraduate

TOEIC正解、よろしくお願い致します!

Questions 5-7 refer to the following letter. a new member to the club To welcome confirm To | continued membership Mr. Leonardo Harper 571-45 Heiligenstàdter Street Vienna 1190 の) December 15 Dear Mr. Harper, Thank you for your continued support of the North Vienna Concert Hall We are writing to confirm receipt on December 14 of your North Vienna Club membership renewal payment for next year. Alnterviews with musicians To celebrate our 30 year anniversary, we are happy to announce some new special benefits for club members. Starting next year, club members can receive a 10% discount on any concert held during the first three months of the year. Call our ticket office at 1-5123098 and use the promotional code CZ1713 when you order your tickets. Please note that discounts only apply to pre-orders placed during this special period. IC) Commentaries on 0 The concert schedule performances As always, members will receive our monthly magazine, North Vienna Club, which features concert reviews and interviews with various artists and musicians, together with news and schedules of all of the events at the concert hall. Next month's issue will feature a six-page interview with the world famous conductor Franz Minsky. Once again, we thank you for being a North Vienna Club member and for supporting arts and music in our community. Sincerely, Roy Pophins Roy Hopkins Director North Vienna Concert Hall の の)

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English Senior High

問5の考え方を教えてください。 大学の過去問のため、解答を読んでも内容が薄すぎてわかりませんでした。

次の英文を読んで, 後の問いに答えなさい。 (35点) 1 Some of the best workers in America dont get paid. But these (jemployees aren't quitting or Complaining. In fact, they seem happy to work like, well, dogs. That, of course, is what thev are Professional dogs do a variety of jobS. They serVe as "eyes" for the blind and "ears" for the dear" A they bring joy to children in hospital, Dogs do many other jobs too. (2With)the right training, dogs make great workers. They're smart. and faithful. They're also very much reliable. 3 Lア has/ イ than/ ウ a dog's/ エtwenty/ オ ahuman's/ カ nose / キtimes / ク more smelling cells」: Dogs may learn to smell bombs, drugs, money, or even bananas. les, bananas. Fruits, vegetables, meat, and other food items sometimes carry nsects and diseases, Food-rom foreign_countries scould infect, crops or animals in the U.S> To prevent that, the U.S. Government trained a group() beagles,) who check wallets and bags at international airports. The beagle silegtty_ sits down next to A illegal items. But why beagles? They're friendly and attractive. So they don't scare people as they check through the crowds. More important, beagles have an amazing nose for food. They sense smells so Vague that machines can't measure them. acch mugy pae pauue 「smells Suspicious. The dog's human partner then checks for

Unresolved Answers: 1
English Senior High

この写真の解答がイマイチ分からないんですが、教えてもらえますか??

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