(2)の解き方がわからないです(；；)

EĴ C (n [1] 関数 f(0)=4√3 sincose-4cos28+3について考える。 2倍角の公式 sin 20 = cos 20= を変形すると lo 78 sin cos 0 = cos²0 ア f(0) = と変形できる。 sin cos ク cos²0- sin 20 Psi ウ + cos20 # 12 となるから,f(0) を sin20, cos20 を用いて表すと f(0) = 1) sin 20. となる。さらに, 三角関数の合成を用いると sin 20 DSD H Est fo π ケ bl M& + 7 4√3. sin 3√3 Sim - 4 (1-(050) キ cos 20+ 3 - 253 sin ₂ 0 -2 -203³0 +3 +√735100-203+0+1 + キ √ 12x4 (数学ⅡI・数学B 第1問は次ページに続く。)

toとforの使い分け教えてください！

オリスタ197 (1)赤マーカー部分がなぜこうなるのか分かりません。 直前の式からどう変形したら答えのようになるんですか？ (2)青マーカー部分は、なぜ直前の式と同じになるんですか？ (4)黄マーカーの部分がなぜこうなるのか分かりません。

π *197 数列 {an} を an = So sin"xdx (n=0, 1,2,3,...)と定める。 Mail E (1) n≧2のとき, nan=(n-1)an-2 であることを示せ。 (2) n ≧1 のとき, nan-10n= であることを示せ。 VOLE (3) an≧an+1 (n=0, 1, 2, ..... であることを示せ。 (4) limnam² を求めよ。 n→∞ = π 2 1,90 40 [08 山口大]

①と②のどちらかになるのはわかるのですが、inとofではどちらが正しくなるのでしょうか。よろしくお願いします。

11. In his presentation, the speaker mentioned the article ( about the Nakano Redevelopment Project are explained. 1 in which 2 of which (3) what (4) ) the details which

高1英語です。 （2）、（3）、（4）の回答の導き方を教えて頂きたいです🙇‍♂️

(2) A: Do you know Takuya? B: Yes. He does volunteer work. He ( must )( be [b ) a nice man. (3) A: Do you like to play golf? B: Yes, I do, but I (hould ) ( have I started it much earlier. I'm still a beginner. [st (4) A: Will we have )( to "go ) downtown again tomorrow? B: Yes, we forgot to buy a birthday present for our father, didn't we?

①と②のどちらかだと言うことは絞れたのですが、 inとofではどちらが正しいですか？

1 she that 11. In his presentation, the speaker mentioned the article ( about the Nakano Redevelopment Project are explained. 1 in which 2 of which ③3 what (4) ) the details which

一枚目と 2枚目の3.4.5は合ってますか？違っていたら教えていただきたいです

3 Grammar Past continuous questions; reflexive pronouns) 3.29 Simple past Reflexive pr Did you hurt yourself? Yes, I did. A Past continuous Were you skiing with a friend? No, I wasn't. I was by myself. What were you doing (when you fell)? I was talking on my cell phone. What did you do? I called for help. A Complete the conversations with reflexive pronouns and the simple past or past continuous of the verbs given. You He She We They 10° qu Al 1. A What's wrong with your finger? Did you cut yourself? B Yeah, I accidentally cut myself with a knife. A Oh, Did you make (make) dinner? 2. A My father hurt_himself____ at the gym. B That's too bad. Did__he_life (lift) weights? A Yeah. A lot of people hurt themselves on weight machines, I guess. in

教えてください

定を表すこと glon you bobson 9 328 911 4 [ ]内の語句を参考にして, 日本語の意味に合う英文をつくりなさい。 back. (1) だれかが私の宿題を手伝ってくれたらなあ。 [wish, someone, with ] aca-ce 01 日本語の mmlaylice thishwisen Tip.youras linna fon (2) 彼女の助けがなかったら、 彼は今の仕事を見つけられなかっただろう。 [without, present ] moovib satte vi sdi stoted gnol 90-3 If BCD (学習院大) .... Jarlinu ton swi (3) 雨があれほどひどく降っていなかったら, 野球の試合は行われていたかもしれない。 THEWS [2] JOJ ****0008 bon em Jog deussy svn [it, rain, might] (福岡女子大) ** ... stoled vool -Surv 37

汚くてすみません！ この問題の添削をお願いしたいです！！

I disagree that Big companies u have a positive effect on society. I have two reasons. I 4 the environment to producet Large-scale products. Big company mode a lot of products , so they use maturials such as water, electric and gos@ Also, they discharge carbou dioxide. By doing so, global warming will be increasing. Seally worker is difficult to protect @ Nork-life balance. Big companies ask them for many job iro home go they will go @ a at late night. Also some poode have to move their house for working. They will lose their free time, and tell.. tired. Therefore, big companien have a lot of pod points. I think people should work widdle or small companies than big companies, and goople will C C

文法構造が分からないのですが、to deathの後にhugeが続いているのはどうしてですか...？

After his illness, Caligula began torturing and putting to death huge numbers of citizens for even minor offenses. He also claimed to be a living god. These actions may suggest mental instability, but another explanation is that they were intended to secure his position. While Caligula was ill, plans were made to replace him, [since he had not been expected to survive, and he likely felt betrayed and threatened as a result. Similarly, while claiming to be a god certainly sounds like a symptom of insanity, many Roman emperors were considered to become gods upon dying, and Caligula may have made the claim to discourage his enemies from assassinating him. Celicula cunnosedly tried to appoint his horse