Mathematics Senior High 2 monthsago 数IIの三角関数の合成と最大・最小についてです。 赤線部では半角の公式が使われているのでしょうか?どうしてこのようになるのか教えてほしいです🙏 11 次の関数の最大値と最小値,およびそのときのxの値を求 最大・最小 めよ。 y=3sinx+4sinxcosx-cos'x (0≦x<2π) ポイント② sin'x, cos'x, sinxcosx を含む関数 半角の公式や2倍角の公式 sin2x=2sinxcosx を利用して, cos2x, sin 2x の式に直し, rsin (2x+α) の形に変形する。 Resolved Answers: 2
Mathematics Senior High 2 monthsago 何もかもが間違ってました、何をどうすれば良いんですか 行き詰まってて辛いです 次の曲線や直線で囲まれた部分の面積を求めよ. [ (1) y=√x,y=2,y=4, y 軸 (3) x=2y-y2, y軸 (1 (2) y=logx,y= 1, y=2, y軸 (4) y=x-1,y=x-1 (2 d y = c = = (3) J-el-R −6+216 A 2 2 (V) ///(8-22) ·P, log of de [x-log-ſix dr 〃 = 2 log 2 - bag! - [A]; log4-(2-1) log4-1 Resolved Answers: 2
English Senior High 2 monthsago (3)教えてください!! 2( )内の語を並べ替えて、日本語の意味に合う英文を完成させなさい。 (1) あなたがこの家を買ってから10年以上が経ちますか。 eved of (mose)) (than / bought / more / since / years / house / it / you / is / this / ten)? (2) 私たちが最後に会ってから12年が経つ。 (12/has / since / it / we / years / been) last met. (3) 程なくしてその若者は危険に気づいた。 (young / became / was / danger / long / aware / the / the / not / of / before / man / it). Resolved Answers: 1
English Senior High 2 monthsago 選択肢問題です。それぞれどう解釈したらよいかわかりません。どなたか教えていただけませんか。 We can't have your son ( park / parks / parking / parked) his bike here anymore. I'll ha... Read More Resolved Answers: 1
English Senior High 2 monthsago 至急 文法的誤りがある英文はどれか教えていただきたいです。よろしくお願いします。 A. The CEO's decision to increase transparency was intended to foster a sense of trust among the stakeholders, who had become increasingly skeptical of the company's opaque financial reporting. B. Not until the discovery of the Rosetta Stone did scholars possessed the necessary key to deciphering the enigmatic hieroglyphics that had baffled archeologists for several centuries. C. The archeological site yielded a plethora of artifacts that provided invaluable insights into the daily lives and cultural practices of the ancient civilization that once thrived in the region. D. Although the diplomat's rhetoric was ostensibly aimed at promoting peace, his underlying actions were characterized by a calculated effort to provoke further animosity between the two rival nations. E. The inherent fallibility of human memory suggests that eyewitness testimony should be treated with a degree of skepticism, particularly in legal cases involving complex and traumatic events. Resolved Answers: 1
English Senior High 2 monthsago as a new member がCで of the committeeがMな理由がわかりません 日本語訳私は,彼 □(2) We will choose him ás a new member of the committee. S Mū 日本語訳私たちは,彼 1a C 委員会の新しいメンバーとして選ぶ Resolved Answers: 1
English Senior High 2 monthsago 夜の間ずっと all through the night 授業中ずっと throughout the lesson throughとthroughoutの違い、使い分けがわかりません。 Resolved Answers: 1
Mathematics Senior High 2 monthsago 青で囲った部分の意味がわかりません。なぜxが(y+1)のところに来るのか、2x²がなぜ2xになっているのか、なぜら2xが-(y-2)のところにあるのか、(y+4)はどこにいったのか、分からないところだらけで申し訳ないですが教えていただきたいです。 0 応用 15 例題 6 2x2+xy-y2+4x+y+2 を因数分解せよ。 着想 xについてもりについても2次式であるから,どちらかの文字について 降べきの順に整理してみる。 解 2x2+xy-y2+4 x + y + 2 =2x2+(y+4)x-(y2-y-2) xについて整理 =2x2+(y+4)x-(y+1)(y-2) ={x+(y+1)}{2x-(y-2)} =(x+y+1)(2x-y+2) y+1 - ← 2 X_V-2)-y+2 2y+2 y+4 Resolved Answers: 1
English Junior High 2 monthsago 間違っているものを選ぶ問題なのですが、どれが間違っているか教えて欲しいです🙏 1. This is the tallest building that I have ever seen in my life. 2. Do you know what time does the next train leave for Osaka station? 3. I have few friends to talk with about my future dreams in Japan. 4. The man I met at the station yesterday was a famous piano player. 5. Neither of my parents can speak English as well as my English teacher. Resolved Answers: 1
English Senior High 2 monthsago 至急 並び順を教えていただきたいです💦 Many psychologists point out that ()()(0)( ) a healthy and fulfilling life. 1 taking care of one's physical 2 maintaining a positive mental attitude 3 a balanced and nutritious diet for 4 health through regular exercise and 5 is just as important as Resolved Answers: 1