回答の正誤を確かめて頂きたいです。 数3 複素数平面 極形式の問題です。

cosA+isinA 3 AABCにおいて, が実数となるとき, △ABCはどのような形の三角形か。 (cosB-isinB)(cosC+isinC) C=ルー(Ax137 Cos(AtB) StuC- SulAtB) AtB= Tπ- e CosC- - (試(0sA+isuA)(cosBrismB)(cosC-23nC {(A1B)2simlA+B) (lc00c 20nc) Cos (ac-1mc(eme-2cnc ) Cosc -2Simc ) SuiC- Cos C + 25ulcosc Siu2c - 0 O<20< 270 TL C- 20 - Tπ 2 LC= 8の通角2自ら

解ける方いらっしゃいますか…？いたら解いて欲しいです😭😭 新演習 750（12接続詞）

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正しい組み合わせを教えてほしいです

Me.oxfordonlinepractice.com/app/dashboard/book/161/unit/02/lesson/01/activity/06 previous ne% Unit 2 What do you do? Activities > 6. GRAMMAR 3 The simple present Match each question with the correct answer. 1. What do Brian and Eugene do? 2. Where do you and your wife live? 3. Who is that woman over there 4. Who does Bruce work for? 5. Where are Tino and Mimi from 6. What do you do 7. Where does Donna live? She lives in Philadelphia. They're soccer players. She's my sister. I'ma college student. They're from Vietnam. We live in Houston. He works for an airline.

どの組み合わせが正しいか教えてほしいです

previous next Unit 2 What do you do? > Activities > 4, GRAMMAR 1 The simple present Complete the sentences with the correct words from the word bank. go doesn't works does lives Work goes are 1. Colleen works in San Francisco, but she in San Jose. 2. Paula and | to New York University. 3. Jim and Erika chefs. 4. Dan and Rosa are teachers. They at a high school. 5. Doug is a police officer. He work in an office. 6. Roger is a student. He to Harvard University. 7. Hideo is a pilot. He for Japan Airlines. 8. What Marlene do?

なぜ黄色いところからこの答えになるのですか？

sin 0+/3 cos 0 25 =rsin(0+a) とおくと ア=/1?+(/3)?=2 であり,このとき sin 0+/3 cos 13 2 ……の sin 0+- "cos ここで V3 1 COS α = 2 2 V3 かつ sin a= 2 を満たすaは,右図より 12 T Q= 3 だから,Oは afco号in+sin号 com) -2sim(o+号) sin 0+sinc COS =2 sin(0+ であり y=2 sin(0+ 3 ー15sin(0+s 一い1だから -2<y<2 ●練習問題●

この真ん中らへんのまるで囲ったitはなぜ訳がwith 以下の訳になるのですか

Nanyang Technological University in Singapore attributes the molecules that make up water. The researcher believes that as 65 熱湯の方がより速 学」 福島県立医科大学 Q. Why can't we say Mr. Zhang's theory is satisfactory? Because It's true only under (c ) conditions. Q. チ 1 A more recent scientific study gonducted by Xi Zhang at Nanyang Technological University in Singapore attributes t phenomenon to the chemistry between the hydrogen and I もっ チャンガ 酸素の が上がる ている。 された日 熱湯ほ OXygen s the temperature rises( it provides the molecules with a lot of *n up energy. When this water .is tossed into a cold environment. the energy ‘jumps' out in a way similar to how a highly compressed spring would, when released. This results in the hot water cooling down much more rapidly than cold water, which does not contain 6 なる。 10 as much energy. 2 While all these theories are plausible and explain the phenomenon under certain conditions, none seems to provide a satisfactory universal solution to this strange physical property that 2 こ 明する 10 has confused scientists since Aristotle observed it in 380 BCE. 科学者 11 普遍的 10 pent-up「抑圧された」 (134 words)

これの訳おねがいします！

What did you eat this morning? Just a rice ball or a sweet breod roll ? If so, you only carbohydrates. You should be carful about food balance What kind of breaf fast has a good balance 3 Some hotels serve a gorgeous breaktast . I have enjoyed a rich breakfast at a hotel in Kobe. It includuses bread, fruit, ham ,a soft-boiled egg . yogutt, topioca dessert, ond vegetable juice. It is delisious, but we connot have hotel breakfost every_doy. a Some school cafeterias are offering0 simple but Well - boranced breok fast , You can get enough vitamins and protain. Our school does not after this, but you 0an tind easy breat fost recipes on the Internet.. KOKUYO LOOSE-LEAF ノ-B36A 7mm ruled×31 lines

2、6、7、10、11の英文の訳を教えてください。

Lesson 1 Part1 Friendships in the Digital Age (p.7-18 ) [Title ] (. 「You are now high school students. Some of you feel excited, and others feel nervous. How many friends canI make?”«Can I find a true friend?” You enter the classroom and talk to some classmates. Of you like each other, you can exchange social media information later. In the past, friendships grew slowly, but now it is quite different. °If you become friends online, you can get in touch anytime. °Moreover, social media gives you so much information about your friends-their hobbies, favorites, experiences, and so on. 'Thanks to social media, you can become close more quickly than ever before. °This is one feature of friendships in the digital age.

見えづらかったらすいません( ;´-`;) 極地があれば求めなさい という問題なんですけど、 最後の赤線を引いた部分の意味がわからないです。 y‘>0や、y‘<0のときは極地はないということですか？

63 COSX (0Mx 2ī) (3)* y=ュ-sin x (- S7m8t 0 1だがら 定でエ球は 0sx<要, 安くめら 7ァ 0SXく号,受くとをフで しろ (メ303-).250I - (又u25-1) メ28- (1-5imx) メ,500->425+メリ2S- 2 (1-8Tar) えu5-) 08とく、 2R では /~simx> 0 よって y'> 0 7だ"から 平価はてるいい。

数学Iです 分からないところが沢山あります 分かるところだけでもいいので教えてください 急いでます

3 レポ わ4 『 nai0- ) 学 ORコー を み取っての映像 題は大 のパケットを使用します。通信n料定額か。 Wi-Pi での をお動めします。 2のとその間の角が分かれば、 りの辺の長さを求めるニとがで 次の間いに審えなさい。『各2点1 きる。次の命 定理について。 AABCにおて。 教科書P126に,余弦定理の式の変形につい の表記があっる。 3つの式の右辺に,余弦定理の式を変形したものをかきなさい。 にかきなさい。 【各2点) ビ+C-α 2bC C cos A= ー-2bcosA cos B= Ctaーム 2ca b a - a-2cacosB cosC= &tb-c 2ab 2 c-+6-2ca cosC A B 3つの辺が分かっている三角形に余弦定理を用いると, 角が求 められる。 国 △ABCで、a,cの値を求めなさい。【各8点】 (1) b=8, c=5, A =60°のとき, aの値 (解)余弦定理から 回次の△ABC で指定されたものを求めなさい。 (1) a=7, b=3, c=8のとき, Aの値 【各8点) C a?= C 3 7 A 8 B 8 a (解)余弦定理から cos A= 2 60° A 5 B (2) a=4、b=3/2, C=45°のとき, cの値 (解)余弦定理から c?= 45° 3/2 (2) a=15, b=7, c=13のとき,cの値 4 15 A B 7 3) △ABCにおいて, b=3\5, c=V5, A=120° のとき, aの値(三角形の図を大まかに書いて求めること。) A (解)余弦定理より 13 B cosC=