青線の真ん中のところのように分ける意味もわかりせんし、どうして、θ＋π/2になるのかも分かりません。どなたか心優しい方教えてください

1/23/ 二方 (2) 12 よって, 5 gn=tan (3) tan- よって, π 12 T 8 259. (1) sin(0+2)+ T 2 (5 + 2/² ) 8 =sine. =cos-sin+sin-cos0=0 +sin(0+7)+c-alrea(9+x) 3 (2) sin(0-2)tan (0+7)-cos(7—0)tan(7—0) 1 tane 1 =sin(0+ -27)tan-(-cos)-(-tano) =sin(0+2 tane costan =cos@tan-cos@tan0=0 T 8 tan- (3) sin(7-0)tan (0+5)-cos(37+0) = sin@tan (0+2+27)-cos(0+n+2n) =sin tan(+-cos(0+π) 2 2 +cose =sine (050)+cose sine =-cose+cos0=0 Osin(0 sin(8 260 (1)y=4sin のグラフは, y=sin0のグラフを0軸を基準にし Tu ilih tu COS cos( tan( COS tan sin sir Ota C

この問題を全部教えて頂きたいです！ 熟語等もあれば教えて頂きたいです🙇🏻‍♀️

Grammar 4 Fill in each blank to complete the sentences. of (1) Tokyo has the largest population ( ) all Japanese cities. (2) When the new café opened, more than 100 people came in less ( (3) ( ) taller you are, ( (4) No ( ) mountain is ( (各3点) ) an hour ) better basketball player you can be. ) beautiful than Mt. Fuji. 5 Complete the dialog by choosing the best option. A: How was the new Italian restaurant down the street? B: It was great! Particularly, the pizza was bigger and (1) (good/better / best than the pizza at any (2) ( other restaurant / another restaurants / the othe restaurant ) around here. (3点) A: That's great! Was it expensive? B: Well, it was (3) (as cheaper / more expensive / not as expensive ) as I'd though it would be, so it was fine. 8

(3)の解説をお願いします。 なぜ(3)で出た値にt1を足さないのかがわかりません💦

地上39.2mの高さの塔の上から, 小球を水平か ◆36 斜方投射 ら30° 上方に初速度 19.6m/sで投げた。 重力加速度の大きさを 9.8m/s² とし, 次の問いに有効数字2桁で答えよ。 (1) 投げてから最高点に達するまでの時間 は何秒か。 (2) 最高点の高さは地上何mか。 (3) 投げてから地面に達するまでの時間は何秒か。 (4) 小球が地上に落下した点と塔の間の水平距離は何mか。 DJICA 19.6m/s 41, 42 9.8 130° 9-8√3¹- 39.2m 1519, 41, 42

英検準1級writingです。 どなたか採点して頂けますか？ 分かりにくい所があれば遠慮なく言ってください。

177/25 Do you think that the government should use social media to make decisions? I disagree that government should use social media. to make decisions. First, I think there value of determining are politic things by communicating each politicians. Choosing option of solution online may cause them as they can touch. to fail their decision. screen easily to vote. be critical trouble of domestics. TS becoming worse economies. Second, This accident would One of the trouble to utilize social media would be dread to flood confident information of nations These informations can contain about civil's. WIf civils information revealed, it is said that civil's safe wouldn't be protected by their countries. Therefore, some countries is about to introduce social media should consider that it may pose negative effect on their countries circumstance. ./10

積分の仕方がわかりません🥲🥲🥲 答えは2枚目です。

D 2 sin 2x 1-sin x -dx x³ + x²-1 3 2 x² - 1 2 -dx

能動関係とはなんですか

163 I cannot keep my QUIC 4 closed 1930szaky DOE stom ) a song in the bathroom. gida 4 singing 2 having sung 3 to sing to be singing nism od sbsas) to close 2 close 3 closing 1,64 I heard him ( name y name () while I was sleeping ( 2 calls 3 called call 4 110 165 I heard my 1 calling

下線部の計算がよくわからないんですけどどういうことですか？

の 指針 (1) αti= (2) α+iの絶対値に注目すること 解答 (1) a=cos- (3) 39 で表すことは難しい。 そこで, α=cos 基本6 1+(1/2+1); であるが,これをか.20 基本例題6と同じようにして極形式 π π i=cos Atisinn +isin 2 練習 (2) a+i= π arti= (cos ++cos)+ (sina+sin / 絶対値はどもに1である。 →積の公式を利用するとうまくいく。 ここで, 三角関数の和 sinA+sinB=2sin A+B COS cos A+cos B=2 cos- 2 (2) α+iは極形式,a+biの形の2通りに表される。その絶対値を等しいとおく。 a+i=(cos+isin π satisinicostisin / から 17)+(cos+isin) =(cos+cos 7)+i(sin+sin) 3 =2coscos 8 a+i=2 cos A-B A+B 2 1 π π cos + cos=2 cos(+7))}cos ( 12 ( = − 4 )} COS 2 2 π 8 COS COS COS π 8 sinosin=2sin{1/(1/4)} cos {1/(-4)} // π -2.sing rcos o であるから 8 8 COS + (cosmo/2rtisin/13) 8 8 π 8 8 π 2cos /> 0 から, ① がα+iの極形式で偏角は ...... ① 9 √2 |a+i|=- √ 12+(1+√2)^=√2+√2 √√2 (1) から |α+i| =2cos π 8 YA 1 √2 -(1+i)+i=- {1+(1+√2)}であるから /2 = α π 04 2π 1 √2 COS πの値を求めよ。 注目すると x (1) a=212 (√3+i) とするとき,α-1 を極形式で表せ。 5 (2) (1) の結果を利用して, cos/1/270 1 O 別解 図で考える。 y₁ O cos 01 01 cosit 1 √2 0₁ 1 A-B 2 n 2014 求める偏角は (11) π よって 2cos- √2+√2 から cos- gati. \+i 1 π 4 √2 から a 18 -= x K/000/00 = 章2 複素数の極形式と乗法・除法 π 4 +0.1-28 -+0₁= 3 極形式 r(cos Otisine) では, > 0 となる必要がある。 このことを確認している。 R 8th √2+√2 2 or Op.28 EX10

至急教えてください！、！

C. Match each idiom with the best definition. One definition is extra. as a matter of fact be similar to 10. 2. 8. 9. 1. 3. 4. 5. 6. 7. catch one's eye even though name someone as set a record when it comes to on the other hand wear out these days a. although; despite b. attract one's attention c. have something in common with d. use until something becomes useless e. by contrast f. do something no one has done before g. considering; looking at h. in fact; actually i. decide a person to win an award or fill a position j. now (but not in the past) k. return to the top level of success

responsibilityの前にitsが置いてあるのはなぜですか？itsの使い方もよくわかりません。

Their presence [in the country] makes the Canadian government more conscious V O of its responsibility [to help developing nations], (for example). 訳 make OC の形 S C 国内に彼らがいることによって、カナダ政府はたとえば、発展途上国を支援する 責任をより強く意識している。 語句 presence 名存在/ (be) conscious of ~ 〜を意識している 文法・構文 直訳「彼らの存在は, カナダ政府が意識している状態にする」→「彼らがい ることによって, カナダ政府は意識している」 となります。soli

助動詞の問題です。 合っているか確認して頂きたいです。m(_ _)m

1 各文の( 内から最も適当な語句を選びなさい. (1) His car isn't in the garage. He (oughtn't, Cannot, needn't) be (1) home now. (2) We have to, need not, may not) hurry. There's plenty of time. (3) There (was, used to, would) be a movie theater around here. (4) You (can, need, will) use my bicycle if you are in a hurry. (5) I don't recognize her. She (will, can't, (must) be new. (6) It's cold. (Shall I, Shall we, Will you) close the windows ? - Yes, let's. (7) You will (able to, be able to, can) make a dunk shot some day. (7) 2 日本文の意味に合うように( に適当な語を入れなさい . (1) 学生は校則を守るべきだ. Students (ought)(to ) observe the school regulations. (2) 何度も試してみたが、 あのコピー機はどうしても動かなかった. That copy machine (couldnt ) work though I tried it many partner. times. (3) 君が彼に腹を立てるのももっともだ. You (may ) ( well ) be angry with him. (4) 学生時代、私たちはよく将来の夢について語ったものだ. We (would ) often talk about our future dreams in our school days. (5) 今朝は道路がぬれている. 昨夜、雨が降ったにちがいない. The roads are wet this morning. It (must ) (have ) (raíned) last night. (6) 生涯の伴侶を選ぶときはいくら注意してもしすぎることはない. You (cannot) be (to 3 ( )に適当な語を入れ, 対話文を完成させなさい. (1)A:Must I sign my name on this form ? B:No, you (don4 )( have (2) A: (Shall ) ( to ). ) massage your shoulders? )(2 B: Yes, please. They're stiff. (2) (3) ) careful in choosing your life (3) A : (Must ) B:No, you mustn't. The sign says “Staff Only." (4) (5) (6) ) I enter the room? (1 (2