(2)が分からないです。場合分けする所までは分かりました、=2aになる時がよく分からないです

と定める。 (1)/(8) とするを定数とし,関数f(F)を ノ(0)=2√/T sin20-2cos28-4a (√3 sin@+cos0) +4 sin+cos0 とおくとき。 次の問いに答えよ。 の式で表せ。 また、そのとりうる値の範囲を求めよ。 (2) 方程式(6)=0 の解の個数を求めよ。 fid) = 3 sinad -¿cosad - 40 (Is sind + cost) + 4 -40t+4 sin (848)=2sin8c058 Jasinad =singcosg 16 滋賀大) cosed- cord-sind t-3 sind, sind cord + Cord Cosed-cost- sind 2008 -cord-(1-sin Cos) 2005-1 (1-stred) sixd 1-2simg 23 sinac 200528 = 4√3 sino cord-2+usived =(25-8427351-core-cost) 一旦全部やり直す 0-7 (2)よりf(g)・ユガー40%<ントが0になるときの解の個数 コザーeat=0. 1.0.20. di 1-0024 Jasha8+ cos -0. 568-00015 (0) 0 3 (2nd-√cose) 2 sind sindros +2005 sired + 413 sind lose まずすぐに 95008Fより、9= f F (祝)=200cm(+) 20↑ok やること2選 1の式を見て合成します! ★=21 sin28mcos2を処理します! 盛する。 Cos g. 2 2sta(+長) 2=258cosg.cos2d=cos2g-sing 1-258 f) 4s sind cord -2 (1-2 sired) - Mat + th 4√2 sind cord -2+4fund – work +4 4sfred + 4 sind cost - Hot I *aired + 2√3 sind cord + cord, siricord 2 ana+nd cord + 1 2

下の英語長文のhowの部分の訳し方について質問です。（空欄→whatです） how their resolutions compare with the previous year's behavior. の部分を、「どのように彼らの決断は前年の行動と比較するのか」と訳した... Read More

Every year, one of the most popular new year's resolutions is to stay fit and healthy. In one study, 32% of the volunteers said that they wanted to "lose weight." However, when we look at how consumers are planning to meet their health and fitness goals, ( 1 ) is eye-opening is how their resolutions compare with the previous year's behavior. For example, 43% of people in the U.S. say they plan to lose weight by making healthier food decisions, but 76% said they did not follow a weight loss or diet program.

並び順がよく分かりません。どなたかよろしくお願いします。

You ( 1 ①impressed. (4) being )( )( )( )( 2 never (5) without 3 see ) by its beauty. (6) the lake

以下の写真の様な問題の解き方を教えてほしいです。 問題を貼っていますが、一問ごとの解説ではなく 全体的な分け方について教えてほしいです。 お願いします。

1. I am planning (to travel / traveling) to Europe next month. 2. She is very good at tennis, so you should avoid (to play / playing) against her. 3. We managed (to catch / catching) the last train just in time. 4. I really don't mind (to wait waiting) for another thirty minutes. 5. He promised (to call / calling) me as soon as he arrived at the airport. 6. The company decided (to close / closing) its Tokyo office. 7. You should practice (to speak / speaking) English every day. 8. They offered (to help / helping) us clean up the kitchen. 9. I can't imagine (to live / living) without my smartphone. 10. He refused (to sign signing) the contract until he read it carefully. 11. She gave up (to look / looking) for her lost earring. 12. I expect (to finish / finishing) this project by Friday. 13. We ended up (to stay / staying) at a cheap hotel because of the storm. 14. They put off (to have / having) the meeting until next week. 15. He pretended (to know 16. The thief denied (to steal / stealing) the expensive watch. 17. I cannot afford (to buy buying) a new computer right now. 18. Have you finished (to wash / washing) the dishes yet? 19. She hesitates (to tell / telling) the truth to her parents. knowing) everything about the issue. 20. I enjoy (to listen / listening) to podcasts while commuting. 21. My brother suggested (to go / going) to the beach this weekend. 22. We hope (to see / seeing) you again in the near future. 23. You must keep (to try / trying) until you succeed. 24. The doctor recommended (to take / taking) a few days off. 25. He failed (to pass / passing) the driving test for the third time. 26. She dislikes (to wake waking) up early on Sundays. 27. They are preparing (to move / moving) to a new apartment. 28. I miss (to hang / hanging) out with my friends from high school. 29. He demanded (to speak / speaking) to the manager immediately. 30. Please escape (to make / making) careless mistakes on the exam.

どれがどこに入るのか教えてほしいです。

pose the best way to persuade someone • Practice persuading someone COMMUNICATION SKILL Persuading people Five common ways to persuade people to agree with your idea are to: 1 insist: tell people what you think the best idea is 2 reason: tell people why something is a good idea 3 connect: identify ideas and values you share to win someone's support 4 discuss: talk about possible ideas so that everyone gets something they want 5 inspire: encourage someone to see how great an idea is Most people prefer one style, but it may be helpful to change your technique for different people, situations, and places. In some situations, you may need more than one style to get what you want. a Share your excitement about something with others. b Find an idea that keeps most people happy. C Explain the benefits of your ideas. d Get people to imagine the effect of your ideas. e Discuss ideas to find one that involves what you prefer and helping the other person. f Argue with others until they change their mind. g Show you understand what's important to others. h Give information, facts, and figures to show why people should do something. i Present your ideas and tell people to use them. j Ask what someone values and show how your idea supports that.

(1)の問題でこれを解いてのところで n＝31を出す途中式を教えてください!!

を代て 標 例題 7等差数列の決定(2) 7 和の条件から <<< 基本例題 6 (1)初項が-10, 末項が200, 和が2945 である等差数列の項数nと公差d を求 めよ。 (2)初項から第10項までの和が555 で, 初項から第20項までの和が810 であ ある等差数列の初項αと公差d を求めよ。 CHART GUIDE 等差数列の和の条件が与えられた問題 S₁ = n(a+1) 2 S,= n{2a+(n-1)d} 2 (1)初項α,未項し,和 S”がわかっているから1を利用し,まず”を求める。 (2)Sim S30 がわかっているから,2を利用し,aとdの連立方程式を作る。 解答 77+(n-1)(3) [(2) 類 星薬大] 1 (1) 条件から n(-10+200)=2945 S=(a+1) これを解いて n=31 8-02- また,200-10+(31-1)d から d=7 ←an=a+(n-1)d 10{2a+(10-1)d}=555, 2 001 よって 2a+9d=111 ① ② を解いて a=69, d=-3 (2)初項から第n項までの和をS とすると, S10=555, S20=810 であるから26項 +S+1++ 大と 1+81+SI+a)-001- 2 -20{2a+(20−1)d}=810 S=n(2a+ (n-1)d] AES a18-(000)001 ①, 2a+19d=81 ② ②①から 10d=-30 頂 箱は、正の数を! by Lecture 等差数列の5要素 等差数列に関係する要素として 初項 公差 数 末項 和 の5つの要素があり、この うち3つの要素がわかれば Sp a d n 関係式 ↓ l=a+(n-1)d,S,=1/2n(a+1) を使って残りの2つの要素 がわかる。

1ではなぜだめなのですか？

557 Bad weather ( ) me to stay in London for three more days. ①made compelled 3 checked prevented <防衛大学校〉

回答を教えて欲しいです。よろしくお願いします。

5 Complete the conversation with the verbs. Use the present perfect or simple past. A: What's the most uncomfortable journey you 1 B: 12 (ever/make)? (travel) on some very uncomfortable buses, but the worst was a train. There were no seats, it was very hot and then it 3 A: Oh no! 4 a plane? (break) down! (you / ever/miss) (have/not), but a B: No, 15 7 month ago 16 (miss) my train. (you / ever/reserve) a ticket for the wrong day? 18 (do) that once! A: No! 19 | 10 (never/do) that! (arrive) to stay with a friend on the wrong day once though. She 11 (be) surprised to see me!

下の英文について教えていただきたいです。 この文では、「consideration」が「考慮（する行為）」ではなくて「考慮すべきこと」という意味にならなければいけないそうなのですが、なぜそのような解釈になるのかがわからないです。 教えて下さると助かります。

例 For these companies in the world of social media, preservation of knowledge is a purely commercial consideration. xal md 「こうしたソーシャルメディア業界の企業にとって、知識の保存は単に商業的に考 慮すべきことにすぎない」

下の英文についてなのですが、「as did so many 〜」の部分の「so 」を「とても」と訳すのは不適切である、と解説に書かれていたのですが、なぜダメなのかが分からないです。（ちなみに、「あれほど」と訳すのは言いそうです。） 教えていただけると、助かります。

解答・解説p.40 As it turned out, Picasso no longer valued the precise depiction of physical reality, as did so many painters in those days; rather, he tended to focus on a more abstract form of "self-expression."