間違い直し問題 教えてください🙏

I worried for ages and decided that I had not better break it (3) to her.

なんでcos a🟰tan aだとcos^2a＝sinaが成り立つのですか？

[頻出 187 面積の分 3つの曲線 City およびy軸で開き の値を求めよ。 例題 186 2曲線で囲まれた図形の面積[2] 面 8★★★☆ 2曲線 y= cosx0≦x≦ まれた図形の面積Sを求めよ。 2). y = tanx (0 ≤ x< 2 πT およびy軸で囲 改) 2曲線の共有点のx座標を求める。 E) cost = tanx -xの値が求まらない。 y=tanx 条件の言い換え y 未知のものを文字でおく 1 これを満たすxの値をいったんαとおくと H y=cosx k-- cosa tana①Mo 1-2 0- [0 a x S= (cosx – tanx)dx 条件 → 計算が進む。 2 思考のプロセス 限 346 (①を利用してαを消去) ・・・ Action» 共有点のx座標が求まらないときは,αとおいて計算を進めよ 解 2曲線の共有点のx座標を 共有点 Action 共有 s-f co S= 求まらない値, 複雑な値 y=tanx a (0<< とおく。 2/ は文字において計算を進 める。 面積Sは BRO y=cost agol>0 区間 0≦x≦α で cosx≧tanx より, 求める図形の面積Sは 0 S= =S" (cosx-tanx)dx sinx = [sinx+log|cosx1] = sina+log(cosa) = ここで, αは2曲線の交点のx座標であるから cosα = tanα cos"α = sinα となり π sinα+sina-1=0 0<a< より, 0 < sinα <1 であるから 2 よって sina = -1+√5 2 S=sina+log(cosa) =sina + 2 -log(cosa) sina + 1+√5 1 + -log- -1+/5 2 2 2 12 -log(sina) tanxdx= -/ (cosx) COSX COSX -dx -log|cosx|+C 0<a< より 2 |cosa|=cosa dx αが満たす関係式を考え る。 sinα = t とおくと t+t -1 = 0 より t = -1±√5 2 I cos' α = sinα 1862曲線y=cosx(0≦x≦)v=2sinx (0≦x≦1)およびy軸で囲ま れた図形の面積Sを求めよ。 COS 12曲線C,Cの ra (0 < a < COSQ ksin 曲線がSを2 (cosx よって sinx Isina ①②より sin' a + cos a 2k+ 120+ (+1) これを解いて 187 & 11

(4)は答えがbなのですがなぜですか？また私の回答だとどこら辺がまずいか教えていただきたいです。

es S [4] given up reading the second book halfway. (d) Because he thinks that the series books are not easy to understand. (e) Because he thinks that there are some more volumes that Kaori should read. 文中の 部に of を入れたい。 (a)~(e)のうち、最も適切な場所を選びなさい。 I drew (a) funny pictures (b) what I thought (c) they looked (d) like (e) .

代名詞の問題です。教えてください。

1. 次の文の( )に入る適当な語句を①~⑩から選びなさい。 (1) Please help ( yours ) to the fruit. you yourself Ⓡ oneself ) during the summer vacation. (2) Please come to see me whenever ( you are convenient it is convenient for you [東京電機大] you are convenience (3) He wants to buy a sports car if he can afford ( ⑦one this (4) A: How many sisters do you have? ③some B: (), but I have three brothers. Few 2 None ③Nobody (5) His attitude towards his father was ( ) of respect. it is convenience for you (札幌大) ). that [関西学院大) Nothing [麻布大】] this that ③those ①what [ 岐阜聖徳学園大 ] (6) You can take ( ) of these two towels. another 2 either other the others [仏教大] (7) Judy was in the library yesterday, and ( ⑪so 2 it ③when ) was Betty. much [大阪商業大 ]

名詞の問題です。教えてください。

1.次の文の( )に入る適当な語句を①~④から選びなさい . (1) ( ) your family all well? is are → do ④ does (聖カタリナ女子大 ] (2) Tomatoes are sold ( ) at this supermarket. a kilogram ③for a kilogram (3) She lives in a special home for ( ). by the kilogram in the kilogram [近畿大〕 ①an elderly elderlies elderly the elderly [創価大] by (4) The girl was suddenly grabbed ( 2 on ) the shoulder on the train. ③under to 〔明星大]

学校でスピーキングテストがあるんですけど、それぞれの写真のQ1が自信ないので合ってるか教えてほしいです！！🙇🏻（Q1はその写真で見えるものを3つ（詳しく）と、その場所を答える問題です） Picture1 I can see a radio on the table,a p... 続きを読む

Picture 1 + Q1) Please look at the picture. What can you see and where is it? Q2) What is the first thing you must do when you have a strong earthquake? Why?

内容面、文法面から英文を添削する問題で、a がいらない理由がわかりません。解説お願いします。

Not only did the country become economically successful, but its citizens achieved some level of psychological unity as a people, despite the fact that they became consisted of several distinct ethnic groups.

並び順を教えて頂きたいです。

I know how you feel about the mistake, but it is ( a much ウ not I of problem).

O pioneersの物語中の一文なのですが、どのような意味をしているのか解説していただけないでしょうか？！ Marie had often wondered whether there was any one else who could look his though... 続きを読む

この問題の(1)→remind recollect rememberの違いについて解説して欲しく (2)何が対象のcoverか について詳しく教えて欲しいです。二枚目の選択肢にピンク丸をつけたものが正解です。

Test 1 READING AND USE OF ENGLISH Part 1 For questions 1-8, read the text below and decide which answer (A, B, C or D) best fits each gap. There is an example at the beginning (0). Mark your answers on the separate answer sheet. 12 33 4 Example: 0 A gather C find B produce D gain A B Alfred Wainwright Alfred Wainwright came from a relatively poor family but managed to (0) ...ain qualifications in 鍼 accountancy. However it is not for his skill in accountancy that he is (1) yemem but for his pictorial guidebooks to the English Lake District. bered The Lake District is in the north-west of England and (2) Covers, an area of some 2,292 square kilometres. As its name (3) implies, it is an area of lakes and mountains. Alfred first went there on a walking holiday in 1930 and immediately fell in love with the area. He (4) divided the Lake District into seven parts and wrote a guide for each of them. The guides (5) consist entirely of copies of his hand-written manuscripts. All have descriptions of walks with hand-drawn maps and sketches of views from the summits of the different mountains. He intended the books to be just for his own personal (6) use... but was eventually (7) publish them. They are beautiful books which (8) ........ remain as popular as ever. to persuaded 5 276