至急です！！ 蛍光マーカーがついたところなんですが、 最大値が 1 最小値が-√2 になるのはなんでですか？

at 1 基本例題156 三角関数の最大 最小 (3) ･･･合成利用 1 次の関数の最大値と最小値を求めよ。 また, そのときの0の値を求めよ。 ただし, とする。 8200+n (1) y=cos-sin 0 指針 前ページの例題と同様に, 解答 また,0+α など,合成した後の角の変域に注意 する。 (2) sin (0+ Cox) のままでは, 三角関数の合成が利用できない。そこで,加法定理を利用 して, sin (9+x) を sine と cose の式で表す。 (1) cost-sin0=√2 sin0+ (2) 同じ周期の sin と cos の和では, 三角関数の合成 が有効。 ゆえに 0+ OMOSTであるから 3 よって1sin(01/27) 2017/1 0+ -√7/2 すなわち 0=0で最大値1 3 4 ゆえに 0+ √2 sin(0+³) ・π 3434 九= 3 4 OMOであるから 7 3x=0+ 3x = -1/1 ≦ π 4 3 π= - すなわち 0 = で最小値-√2 2 (2) y=sin(0+5)-cose 6 3 2 5 *cos0=sinocosm+cos Osin- 6 4 41 √3 2 5 6 √3 -sin0+ ・cos o-cos o 2 2 -sin0- (1) y=sin 0-√√3 cos 0 1 2 πCOSO 7 7 (n=0+ 1x≤ 13³1 π 6 6 -15sin(0+1)=1/ 7 13 0+ π三 - すなわち 0=™で最大値 6 6 2 cos0=sin(0+1) -T-cos (5) 基本154 7 0+ |九= すなわちで最小値-1 6 (-1,1) I √3 I 1 yA √√2 0 y41 6 7. 4 AO 1 6 (-4,-1) y 1 |1 √2 /1x AY 0x 1x Of 13 練習 次の関数の最大値と最小値を求めよ。 また,そのときの8の値を求めよ。ただし, rat © 15600とする。 (2) y=sin(0-5)+sine CELEX 100 245 章 7 三角関数の合成 4章 27

NEW HORIZON Unit6ｰ比較級　Trivia Quiz 比較級を使ったクイズを作りたいのですが、例えばなにとなにを比較したクイズがいいと思いますか？できれば複数あれば助かります🙏 自分が作ったものは、写真1枚目で、参考資料は写真2枚目、3枚目です。

TRIVIA QUIZ ~食べもの Q1 which is more popular, Sushi or Yakiniku? (寿司と焼肉、人気なのはどっち?] A1 Sushi is more popular than Yakiniku.

並び替えが分からないです🙇‍♂️

(D) 最近. 海外旅行者の数は著しく減少しています。 There has been a large ( 29 )( 63 in ( 0 5 abroad people ) in recent years. decline 6 the number traveling )( 4 of 30 5 )

最上級はどこにいれますか？

答え合わせお願いします！

He is a we ② 次の[ ]内の語句を並べかえて、日本文に合う英文を書きなさい。 (1) 昨日私が買ったカメラはとても高価でした。 [ bought / which / was / yesterday / the camera/I] very expensive. (2) これは私がこれまでに見た中でいちばん美しい花です。 出る This is [ ever / the most beautiful / I've / flower / seen ] . This is very expensive.

① tall / 原型 ② taller / ❔ ③ the tallest / ❔ ④ as tall / ~よりも高い Q1 それぞれどんなときにこの形になります... 続きを読む

質問失礼します。 (6)、(12)ともに答えが2になるのですが、なぜそうなるのか分からないので教えて頂きたいです！ よろしくお願いします。

J The train 14 slowly at the station when I arrived there. has been stopping 3 is stopping (2) (4) was stopping has stopped

(3)の2について教えて下さい。likeかと思ったんですけど模範解答はasでした。なんでlikeはだめなんでしょうか。

1 their experiences they experienced s which the works their works. They someone around u will get in the E て書きなさい。 二並べ替えなさ そのかな符号 (玉) 当なものを, 一選んで、 Tom, can I talk with you now? Aya. Tom: No problem. What happened? Aya. 愛知県 B '20年 英語 Well, the TV news I watched last night surprised me very much. It was about some foreign people here who were afraid of living in Japan ( A ) of earthquakes. Tom, what do you think about it? They should know how to protect themselves in () of an earthquake. Code Tom: I think that many foreign people haven't experienced big earthquakes in their own countries. Aya: I see. Tom, do you worry about earthquakes here? sods Crow All To Tom: 【a】 I've experienced evacuation drills at school and in our town. I can only understand the Japanese language a little, so I don't know, what to do when we have earthquakes in Japan. Aya: 【b】 I think many foreign people have the same impressions of Japan you. What should we do about that? Tom: I c 】 If they don't understand Japanese well, they can't get all of the information that they need. So we need more pictures to show instructions in an emergency. Aya: 【d】 Tom: Exactly. They are things like “universal designs” we learned in our art class. Aya: I think so, too. They'll be helpful to people who can't read Japanese well. Tom: Aya, why don't you walk around the town with me? Aya: OK, but why? Tom: Because I want to find something they need for their safety. Aya: Sounds good! We should understand that they can't read important signs written in Japanese. Let's go walking around the town to find them! Tom: 【e】 It'll be sunny and warm here tomorrow. Aya: OK. Let's meet in front of our school at 10 a.m. Tom: OK. Thank you very much, Aya. See you then. (注) impression 印象 instruction 指示,説明 safety 安全 (1) 次のアからオまでの英文を,会話文中の【a】から【e】までのそれぞれにあてはめて、会話 の文として最も適当なものにするには, 【b】と【d 】 にどれを入れたらよいか、そのかな符 号を書きなさい。 ただし、いずれも一度しか用いることができません。 ア You mean signs everyone can understand easily are necessary, right? ハイ Yes, I do. Actually, I worry about them. Cウ How about tomorrow morning? エ オ I think their biggest problem is language. I understand you. (2)(A)にあてはまる最も適当な語を,次のアからエまでの中から選んで、そのかな符号を書きな さい。 ア when イ because ウ instead I most (3) 下線 ①,②のついた文が、会話の文として最も適当なものとなるように,それぞれの( あてはまる語を書きなさい。 ② (A) )に

至急です💦 文法問題でA,E以外の答えを教えてください🙇‍♀️

was too difficult. (1) anybody Recent C (1) increase (G)He was informed ( (1) by (2) of (H) ( 【5】 (2) everybody (3) nobody in crime may be due to the economic crisis. (2) increased (3) increases Almost the doctor of the result. (3) on (4) to students want the teacher to give less homework. (2) Almost all (3) Many of (4) somebody (4) increasingly (4) Most of

選択、穴埋め、並び替え問題です( . .)" 埋まってないところ全部分かりません(><) わかるところだけでもいいので教えていただきたいですm(*_ _)m

A Choose the best word (or phrase) from the choices to complete the sentence. 1. A: Why don't you like chocolate? B: I (do/ did) like chocolate, but I'm on a diet and don't want any now. 2. A: Why didn't you tell me? B: I (do / did) tell you. Don't you remember? 3 Fill in the blanks so that the two sentences have almost the same meaning. 1. He quit his job for his family. ▶ He quit his job ( ) ( ) ( ) of his family. 2. This festival has to be continued for our children. ▶ This festival has to be ( ) ( Write in the missing words to complete the sentence. 1. それはできません。 そもそも私には時間がありません。 I can't do it. I don't have time ( ) ( 2. 別の見方をしたら、彼の意見も正しいかもしれない。 ) to our children. From another ( poíint ) of ( view ), his opinion can be right. 3. 私のレポートの誤りを指摘してもらえますか。 Can you ( point 4. 日本の社会は長い間, 学歴偏重であった。 Japanese society has long been ( 5. さて、次の質問に移りましょう。 Now, let's (move )( ) ( ) ( point )( out ) mistakes in my report? ) ( ) academic records. ) to the next question. on D Put the words in the correct order to make a sentence. 1. My mother (rule / makes / a/it/ that) she goes to bed before eleven. 2. I (necessary / found / that/ it) I talk to my parents about the problem. 3. Some scientists (it / possible / we/ that/ think) live on Mars one day. 4. Most people (believe / do / important / that/ it) we preserve nature.