⑵がいみわかんないです。なんでπ/4がここに入るんですか。また±になってる理由がわかりません。

sin(Q+B), B) の値を求めよ。 cos0=1 を利用して るが、COS acos Bと 36 角α B 象限に注意。 Asina+cos Asin²B+cos 31216 5 13 65 412 5 13 . 11 2013/18 ◄sin(a-8 を求め, sin(a- cos(a- 計算してもお "sin'a+adin sin³8+cos n(er-8), 基本例題 152 2直線のなす角 (1) 2直線√3x-2y+2=0,3√3x+y-1=0のなす鋭角0を求めよ。 4 | (2) 直線y=2x-1 と の角をなす直線の傾きを求めよ。 の値を求め 指針 IB 解答 2直線のなす角 まず、各直線とx軸のなす角に注目 直線y=mx+nとx軸の正の向きとのなす角を0とすると m=tane (0≤0<n, 0= 7 ) (1) 2直線とx軸の正の向きとのなす角をα, β とすると, 2直線のなす鋭角0は,α <βなら β-α または π- (B-α) で表される。 ←図から判断。 (1) 2直線の方程式を変形すると √√3 -x+1, y=-3√3x+1 2 図のように, 2直線とx軸の正 の向きとのなす角を,それぞれ α, β とすると, 求める鋭角は 0=β-α y= √3 2 tan0=tan(β-α)=- tan a=- 9 tanβ=3√3で tan(a+4)= この問題では, tan α, tan βの値から具体的な角が得られないので, tan ( β-α) の計 算に加法定理を利用する。 y=-3√3x+1 tan β-tana 1+tan 3 tan a tan a tan √3 y=- 1Ftan a tan- 4 (複号同順) π 0<0</ であるから 0= 75 3 (2) 直線y=2x-1とx軸の正の向 YA きとのなす角をα とすると tang=2 2001 = Ka I TEIS 4 = −(−3√3-√3)={1+(-3√3). √3)=√3 /3 2 2 340J 2004 S 0 0 16-2 y=2x 0 2±1 1+2.1 であるから 求める直線の傾きは -3, 1 3 =(0) TIA B x SELO _n m x /p.241 基本事項 2 YA n O 0 (S) Ly=mx+n -0 単に2直線のなす角を求め るだけであれば, p.241 基 本事項 2 の公式利用が早 い。 傾きが m1,m2の2直線 のなす鋭角を0とすると tan 0= m-m2 1+m1m2 x -7√3+1/3-√3 2 2 y=2x-10<<から6=7 GURA 10 2直線は垂直でないから tan 0 √3-(-3√3) 1+√3+(-3√3) 2 = 2直線のなす角は, それ ぞれと平行で原点を通る 2直線のなす角に等しい。 そこで,直線y=2x-1 を平行移動した直線 y=2x をもとにした図を かくと, 見通しがよくな る。 練習 (1) 2直線x+3y-6=0, x-2y+2=0 のなす鋭角 0 を求めよ。 ② 152 (2) 直線y=-x+1と4の角をなし,点(1,3)を通る直線の方程式を求めよ。 245 4 章 24 加法定理

副助詞の、「のみ」の意味の違いよくわかんないです。 限定と、強意の違いなんですけど、強意は訳さなくていけるもの、と言われても実際問題を解くと、限定でも訳せてしまいそうと思って毎回間違えます、

次の傍線部の副助詞の用法として適当なものを後のア〜エから選んで答 えよ。 何事も、古き世のみぞ慕はしき。 (徒然草・二二) (徒然草・五三) 頸もちぎるばかり引きたるに、 ただ、物をのみ見んとするなるべし。 (徒然草・一三七) 見ようとするのだろう。 「月日しもこそ世におほかれ」と笑ふなかに、 (更級日記) 「月日は、ほかにいくらでもあるのに」と笑う人が多い中で、 5 「まことに、そはしらじを。」などのたまふ。(枕草子・一三一) そんなことは知るまいね。 おっしゃる かしがましきまでぞ鳴く。 (枕草子・三九) やかましい ア 限定 イ 強意 ウ 程度 エ (4) ca 1 引用 4 #sensel 3 6 ヒント 体系古典文法 p.5~9 ③上に副詞の「ただ」があ る。 「他にも月日はあろう によりによって」とい う気持ち。

この問題の答え教えていただきたいです

1 日本語に合うように、[ ]内の動詞を適切な形にして、英文を完成させなさい。 (1) 清掃は,正午までには終わっているでしょう。 The cleaning ( ) ( ) ( ] (2) スーザンがメールアドレスを変えていたことを私は知りませんでした。 I didn't know that Susan ( )( (3) 佐藤さんは退職するまで30年間その銀行で働いていました。 Ms. Sato ( ) ( (1) Ben ( juice on it. work] (4) 私たちが映画館に着いたとき, その映画はすでに始まっていました。 The movie ( ) already ( ] 2 [ ]内の動詞を適切な形にして、英文を完成させなさい。 ) ( (2) Shingo ( (3) The players ( rain. (4) Cathy ( stay] ) never ( )( ) ( [ change ] ) for the bank for thirty years when she retired. [ ) ( ) ( )( (2) A: Why were you so tired yesterday? B: I ( ) ( )( me. ) her email address. ) by noon. [ finish (1点×4=4点) ) the new shirt for only five minutes when he spilled ( 1点×4=4点) ) when we arrived at the theater. start 3 [ ]内の動詞を適切な形にして、対話文を完成させなさい。 (1) A: Can you go shopping with me this weekend? B: Yes. I ( )( (3) A: Maki said that she ( )( B: Really? I' 11 go and check. Thank you. (4) A: Did you get the tickets for the play? B: No. All of them ( )( sell ] ) before he came to Hokkaido. )( [ wear ] [ski ] ) for an hour when it began to [ practice] ) in Japan for two years tomorrow. [ (2点×4=8点) [ finish ] ) my assignment by Friday. ) my house for three hours when you called [ clean [ see ) your dog in the park. ) out when I called the ticket office. [

あっているかと分からない所を教えて欲しいです

Question()に入る適切な語を選びましょう。 (1) I have (not/no) plans for the weekend. (2) (Not one / No one) knows what happened to him. (3) (None / No one) of the passengers was [were] injured. B部分否定 4. Expensive products are not always good. (高価な商品は必ずしも良いとは必らない 5. The company could not satisfy all their consumers. (その企業はすべての消費者を満足させることかできな) かった。 6. He didn't like both of the products. (彼はその商品のどちらも好きというわけではなかった。) Question ( )に入る適切な語を語群から選びましょう。 (1) Your answer is not ( ) wrong. (2) Not ( (3) I didn't make ( ) student has a computer. both ) of them myself. 語群 { every / never / necessarily / both / neither } every

この問題の答えを教えてください。

SELVIY (県勢) (5) 記述] 地図 ⅡIは,現在の東京23区の区域を示しています。 23の区 を面積の大きいものから順に並べたとき,上位の2つは,資料ⅣVのように なります。 A区とB区の順位が入れ替わっ たのはなぜだと考えられますか。 地図 II を 参考にして,簡単に書きなさい。(石川) 資料ⅣV 第1位 第2位 1990年 2010年 A区 B区 B区 A区 [地図Ⅱ A B

英検準一級です Should people trust information on the internet? でライティングしました。 添削お願いいたします。

I don't agree that people should truse information on the Internet. This essay will explain the two main reasons for my opinion Th Terms of News and online shopping The first reason is that we cante lonow that the news 75 correct. Although we are able to obtain a variery of Information, the news may have a hias. A tending may suffer to us such as There fore, I found that A tending information the big earthquake in Kumamoto. don't have to rely to everything. we For example, when The second reason is the online shopping is likely to send we buy the dress through internet, goods which we down requine. we can't know whom this dress sell by. If it were not for buying clothing ac online store, it could not have such a opportunity to purchaseing different clothing. For these reasons, I don't believe people ought not to trust information. on the Internet.

よろしくお願いします！

espicy bon ella. A 次の1~8の英文の空所に入れるのに最も適当なものを, (ア)~(エ)の中からそれぞれ 1つずつ選び,記号で答えよ。 1. Currently, soccer is ( least 265 million people (7) by 2. I ( college student. (7) have read (3) read ) far the world's most popular sport, beloved by at worldwide. (1) So ) The Wealth of Nations by Adam Smith several times when I was a Chapte 3. You will have to wait ( (7) out of (1) by () much 6. The extent ( about their personality. (7) which 4. Left-handers are much less common than right-handers, ( of the world's population. (7) making up ) October 1 before moving in. () in (1) had been reading will read (1) how (1) to which (1) made up () composing of (1) composed 5. Since mental health and physical health are closely intertwined, one will always affect (f the ). (7) another (1) to another (3) the other -6- (I) until ) only 10-15% () at whom ) you can trust someone depends on how much you know (I) to the other (I) in that 7. Rick speaks rather roughly, but at heart he isn't as wild as ( ). (7) it is (1) it looks (1) he sounds () he gets 8. Health experts agree that the most important change the majority of people need to ( ) to their diet is to reduce their fat intake. (7) find (1) stay () take (1) make

この問題が分からないので教えて頂きたいです…

3 Can you complete this conversati Complete the conversation with the words and expressions in the box. Use capital letters where necessary. Practice with a partner. Then role-play the conversation using your own ideas. all right breaking up hold on a second PU I'll call you back I've got Greg Kenji Greg Greg Waters. Kenji Hello, Greg. Tokyo. I was just time are you arriving on Monday? Greg Well, I have my ticket here. Let's see, I arrive Kenji at, um, 3:30 p.m. OK, I'll Oh, Hold on a This is just let's see ✓this is wearing what do you call it what was I saying Kenji from the office in calling to ask... What come to the airport to meet you. Second-I've got another call. All right Hi. Sorry about that. So, I'll meet you. So, how will I recognize you? Well, I'm tall and Sorry, Greg, I can't hear you. You're droam ? Oh, yes, blond hair and - Greg Kenji Greg OK. Listen, Kenji Hi. That's better. So, ? Greg I was describing myself. So, um, I'll be the blond the sunglasses,. weaking wh guy a USA T-shirt. Kenji Um, OK. Maybe I should wear a - what you call it? A thing with my name on it so you can find me? a badge. Good idea! Greg Oh, where were we with you mean Kenji USA UNIT 1 UNIT 1 12

この答えは「決定できた」ですか？課題で明日指されるのですが、合ってるか不安なので教えてください。

以下の英文中の下線部を日本語に訳しましょう。 Brussels has made moves to apply the system to some EU funding, meaning the rules could decide which projects are eligible for certain public finance. EU本部は、この制度を一部の EU の資金援助に適用する動きも見せている。 つまり、これらの規則が、ど のプロジェクトが一定の公的融資を受ける資格があるのかを Note ということである。 sinalą any indi bedrive Brussels「ブリュッセル(ここではEU本部のこと)」misoni neorg

英文の並べ替えの答え教えてほしいです

Ⅳ. (1) から (5) の各問いにおいて, 1. ~ 6. の語句を並べ替えて空所を補い, 最も適当な英文 を完成させなさい。 解答は解答用紙2枚目 記述式) の所定の解答欄に(A)と ( B ) に入る語句の番号を記入すること。 (1) I like English because I feel like a different person when I am speaking it. Although it is difficult to speak well, I enjoy the challenge. Someday I hope ( ) ( A ) ( ) ( ) (B) ( ) in English. 1. even dream 5. the level 1. young people 2. acquire 5. provide 2. where 6. I can (2) Volunteering is a good thing because it teaches young adults valuable lessons about life. For one, it teaches them that charity is an investment. By helping others you also help yourself. Volunteering can also ( ) (A) ( ) (B) ) ( ( ) practical experience. 1. health 5. to 6. an opportunity 1. lacking 5. found of what roles physical activity, exercise and nutrition play. neither prevent nor manage disease. (3) There are at least four kinds of education people should get when they are young: physical education, moral education, intellectual education and nutrition education. Those ( ) (A) ( ) ( ) (B) ( ) have an understanding Without them we can 3. reach 2. in 6. interested 1. wear 5. we 3. with 2. and 6. more 3. need (4) E-mail and other SNS applications are now the primary means of communication in much of the world. While this is certainly one form of socialization, it seems to be replacing social interaction in person. As a result, more ( ) (A) ( ) ) (B) ( ) in the social skills and values that are essential to their integration into a group or community. 2. clothes 6. to (5) Presumably fashion reflects our personalities. The ( (B) ( 4. to 3. are 4. to 3. like 4. mental or physical ) ( A ) ( ) who and what we are. Many people wear clothes to try and fit in, some to impress others, and some just wear the clothes they own. Your clothing is a reflection of who you are one way or another. 4. people 4. show Basic Elements for Communication (t, 2019), 7, 35, 59, 71, 87 ( 改変)