数Ⅰの三角比の相互関係です。 sin^4θ－cos^4θをsinθだけを用いた式で表せ、という問題なのです。解答の水色で線を引いた部分がなぜそうなるのか分からないので、わかりやすく解説して頂きたいです。

55 sin ¹0-cos¹0 2 = (sin ²0 + cos²0) (sin ²0 - cos²0 =sin ²0-cos²0 = sin 20 (1-sin ²01 = 2sin ²0 - 1 また 2 2 - t=2sin²0-1=2(1-cos²0)-1 =1-2cos²0

英語の長文読解についてです、、。 写真一枚目の長文について写真二枚目の問題が分かりません！ 答えは書いてある通りなんですが、なぜthat、を入れるのかを教えてください！ 私は「IT tells us we can all be friends.」だと思ったんですけど…、、

を示します 。 ) 次の英文を読み、 あとの設問に答えなさい Habitat is a *nonprofit organization that helps people who need houses. In the writing T↑ld, below, Mariko Asano talks about her experience as a Habitat volunteer. She has traveled to *the Philippines three times to help build houses for people who need them. I am 24 years old, and I grew up in Nishinomiya, Japan. A few years ago, I went to *Negros Island in the Philippines as a Habitat volunteer. This was my first trip to the Philippines a a volunteer. For me, the idea of building somebody's house abroad was very exciting. The vhuis P to chare to bru as a student next year I returned to Negros Island as a Habitat volunteer. This time I went as a leader with 28 classmates from my university. or og od bebloeb you w Both the staff and the families on Negros Island became friends of the work team which I led. Meeting these people was wonderful for each of us. Their lifestyle taught us the meaning of life. The people also taught us the more important things in life, such as spending time with your family, friends, and neighbors; helping each other; and giving thanks for the people around you. These things are sometimes forgotten in a convenient and rich country like Japan. We thought we came to the Philippines to help the *Filipino people, but they actually helped us. They kindly gave us their food, space, and hearts. no Deten sill oly OST and When I took my third trip to the Philippines as a Habitat volunteer, I stayed in a house with young people from around the world. In my group, there were Filipinos, Americans, Indians, Koreans, and Japanese. We worked hard together to complete a house for a family. Even now we are good friends and we are connected across the world. Some of them are working as Habitat volunteers in different countries. Habitat brings people together and teaches us that people all over the world care about each other. Habitat sends the very important message that we can all be friends. Being a part of Habitat has changed my life. I have learned that I can make a difference in the world. [ SELECT READINGS] the Philippines: フィリピン (7) nonprofit organization: * (NPO) Negros Island: ネグロス島(フィリピンにある島) 1 英文の内容に関して、 次の文を完成させるのに Filipino : フィリピンのフィリピン人

英語の長文読解についてです、、。 写真一枚目の長文について写真二枚目の問題が分かりません！ 答えは書いてある通りなんですが、なぜthat、を入れるのかを教えてください！ 私は「IT tells us we can all be friends.」だと思ったんですけど…、、

示します。) ⑥⑥6 次の英文を読み、 あとの設問に答えな Habitat is a *nonprofit organization that helps people who need houses. In the writing below, Mariko Asano talks about her experience as a Habitat volunteer. She has traveled to *the Philippines three times to help build houses for people who need them. moralib grid Janog jelenl jou in vhuse J'aob siqooq I am 24 years old, and I grew up in Nishinomiya, Japan. A few years ago, I went to *Negros Island in the Philippines as a Habitat volunteer. This was-my first trip to the Philippines a a volunteer. For me, the idea of building somebody's house abroad was very exciting. The next year I returned to Negros Island as a Habitat volunteer. This time I went as a student alth to change wasbare vok leader with 28 classmates from my university. tog od bebloob you tw Both the staff and the families on Negros Island became friends of the work team which I led. Meeting these people was wonderful for each of us. Their lifestyle taught us the meaning of life. The people also taught us the more important things in life, such as spending time Q bel 200 noen with your family, friends, and neighbors; helping each other; and giving thanks for the people around you. These things are sometimes forgotten in a convenient and rich country like Japan. We thought we came to the Philippines to help the *Filipino people, but they actually helped us. They kindly gave us their food, space, and hearts. millend ofte oIDST I OW sanoo adi as ody busil e sul nos When I took my third trip to the Philippines as a Habitat volunteer, I stayed in a house with young people from around the world. In my group, there were Filipinos, Americans, Indians, Koreans, and Japanese. We worked hard together to complete a house for a family. Even now we are good friends and we are connected across the world. Some of them are working as Habitat volunteers in different countries. Habitat brings people together and teaches us that people all over the world care about each other. Habitat sends the very important message that we can all be friends. Being a part of Habitat has changed my life. I have learned that I can make a difference in the world. [SELECT READINGS] (E) nonprofit organization: * (NPO) Negros Island : ネグロス島(フィリピンにある島) 1 英文の内容に関して、 次の文を完成させるのに最適 the Philippines:フィリピン Filipino : フィリピンのフィリピン人

LEDとか光センサの矢印の向きって何で決まってるとかありますか？ よく分からなくて どちらかとかでもいいので教えてください お願いします🙏

ダイオード BIODE LED LED 本 A K # K #^^ CdS (光センサ) COS 可変抵抗器 VOL -# 年

中学英語です。 7行目のalsoってどういう役目なんでしょうか also＝また、さらに という意味なのは分かるんですけど... 「彼は未来の人にもまた、東京近郊の海でとれたたくさんの種類の魚を食べて楽しんでもらうことを望んでいます」っていう日本語訳なのでalsoはどういう意... 続きを読む

けんた ●中学生の健太 (Kenta) の海洋生態系 (marine ecosystem) についての発表です。 (R4) Marine ecosystems are not good. Many people work together to protect them. I will talk about an example. In Chiba, a "fisherman started his "*sustainable fishing" *project. He (worry) that the number of some kinds of fish in the sea *near Tokyo is becoming small now. So (doesn't/ with eggs/he/fish/catch) and *young fish. He puts them back into the sea. He visits many places to talk about his project. He hopes people in the future can also enjoy eating many kinds of fish from the sea near Tokyo 5 protect ~3 fisherman sustainable fishing a project I near ~ young into ~ future **

①だけで大丈夫です！ 自分は模範解答とはちがい、右の写真の展開図で考えたのでその展開図で説明していただきたいです！ ②は解けてます！ よろしくお願いします✏️💭

(3)図で, 立体ABCDE は辺の長さが全て等しい正四角 すいで, AB=4cmである。 F は辺BCの中点であり, G. Hはそれぞれ辺AC, AD上を動く点である。 3つの線分EH, HG, GF の長さの和が最も小さくな るとき. 次の①. ②の問いに答えなさい。 ① 線分AGの長さは何cmか, 求めなさい。 ② 3つの線分EH, HG, GF の長さの和は何cmか求 止めなさい。 JUCOS B 767 F #0&c=05#824 O H C

この問題の解答の、4,5行目のところがよくわかりません。なぜsinθ-cosθ>0になるのですか⁇

例題 三角比の式の値 23 sind + cost (1) sincose のとき、次の値を求めよ。 ただし、0° 0 ≦180° とする。 1/3 (2) sin-coso =

解き方を教えてください〜🥺 写真見づらくてすみません。

次の図のような,∠ABC = 60°,∠BAC = 75°, AB=4cmの△ABCがあります。 △ABCの面積を求めなさい。 SREPUTYCORE A 75° 4 cm 2 60° B BC=CD

わかる方教えてください Aboutはとりあえず書いただけなので合ってるかわからないです。

Cosimple bout that. a 私は,あなたが言いたいことはわかります。 私はそれについてはわかりません。 I'm not blus

（3）の①と②解説して欲しいです。 答えは①が3枚目の画像で②が45分後です

(3) A地点とB地点は直線の道で結ばれており,その距離は 18km である。 6人がA地点からB地点まで移動するために、運転手を除いて3人が乗車できるタクシーを2台依 頼したが,1台しか手配することができなかったので、次のような方法で移動することにした。 for ・6人を3人ずつ, 第1組, 第2組の2組に分ける。 ・第1組はタクシーで、第2組は徒歩で,同時にA地点からB地点に向かって出発する。 第1組は,A地点から15km離れたC地点でタクシーを降り、降りたらすぐに徒歩でB地点 に向かって出発する。 ● タクシーは,C地点で第1組を降ろしたらすぐに向きを変えて, A地点に向かって出発する。 第2組は,C地点からきたタクシーと出会った地点ですぐにタクシーに乗り, タクシーはすぐ に向きを変えてB地点に向かって出発する。 CSI タクシーの速さは毎時36km, 第1組, 第2組ともに歩く速さは毎時4km とするとき,次の ①, ②の問いに答えなさい。 CAN HOARE DHO. ただし,タクシーの乗り降りやタクシーが向きを変える時間は考えないものとする。 6 X 308 30 Lore 第1組がA地点を出発してから分後のA地点からの距離を ykm とするとき, A地点を出発し てからB地点に到着するまでのxとyの関係を, グラフに表しなさい。 (2) 第2組がタクシーに乗ったのはA地点を出発してから何分後か, 求めなさい。 国 HAR COSA A 45000 00X300 301 5 08 tsk A A D (S)