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English Senior High

(4)に入るのが1番のtoになっているのですが、なぜなのかわかりません。 教えてください🙏

You don*t need expensive lessons to start 一try smartphone apD5S。 foreign TV and radio, online guides and your local library. Many people think that learning a second language will cost huge amounts of expensive resources and tuition. The good news is thatit is actually possible to learn on abudget. Here are afew tips for spending (⑳) ( 1 ) andlearning ( 2 ). Smart online Many new language learners now start with smartphone apps like Duolingo and Memrise which are free. These apps start You off with Yocabulary and basic sentences in minutes, and their game-like interface is ideal for anyone ( 3 ) last contact with a foreign language WaS a terrifying oral school exam、. But you should also make sure that you get plenty of natural input in your target language.Tunein ( 4 ) international radio stations On TuneTn Radio. I also love discovering a country's pop scene by listening to pre-made playlists in yoOur target language on Spotify- Wheretoget ( 5 ) forfree For real results, a step-by-SteD course will help you build up skills. ( Tぜ you like online learning, my best Hp is to check out ( 6 ) your target country's international TV or radio channel offers a structured language course. These COUrSeS HrG produced by broadcasting professionals, and offer well-designed courses going from beginner to advanced evel. They feature multimedia materials and even SOaD ODeras from big names like Deutsche Welle, TV5 Monde and Russia Today・ Tf you prefer materials aimed at Enghish native speakers, the BBC's GOSE Revision area, Bitesize, has some of the most effective ( 7 ) revision aids 』 have ever seen.

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Mathematics Senior High

この問題って 正弦定理と余弦定理どっち使って解いた方が 後々有利になりますか?

Tu9>5w5wtww 1 へABC において, g=ソ2 . 22. 人430* のとき。 刀』Cを求めよ。 層 っ革を148.1 形の 2 辺と1対角 が与えられた場合 まず、 余弦定理 でc を求めるか。 正蓄定理 で を求める (| その際。それぞれ2 通りの値が得られることには奄- 7 なお、国較では 等式 c=6cos.4 gcosど (の 栓時 参照) を利用する LE胡3 > ーー 余玉定理により (ソ2)ーダ+cー2.2ccos30 ょって @ー273c+2=0 ゆえに c=Y3キ1 由利] <=Y3 +1のとき +1+(/2 を 2(73+D_ _+ Gi 2 -訪Ga 1: ゆえに ニー45* よって で=180*一(30*十45)ニ 7| [2] c=Y3 =1のとき 本CB DCo)どの 321-73) __ 1 203=0:72 。 272(73-0 72 ゆえに g=135* よって C=180一(30寺135)ニ15* 3 +1, ガー45"、Cニ105* (画机1 の多考図 以上から または cニゾ3 1,ゼー135*、Cニ15* バ 時 正定理から ニラューーツ5 ゅぇに smpー 2 samaw02N Maな のーー * 4=30' より, 0*く<150* であるから [=45?のとき C=180*一(30'士455 2cos4Tgcosg =2cos30'エ2 co <c=2cos24 Fcos =2cos30*二ツ2 cos45*王3 1 [2] g=135*のとき 180一3135)ニ15* En 6cos 4上2cos2cos30*十2 cos135*=ニ73 1 =5cos4+ecosg 第1奈弦定理 | の図で. [1] <C=90'のとき c=c。 ね ーccosお6cosC / 隊 9<C<iB0' のとき 。=ccosg-2cosQ80-C) 0 人。 計ら 三ccos二ヵcosC 2 則 防から ca=ccsgT2cosC 器証dWGiit 6ごccosC+ccos4。 c=ム Ni ・ c6cos4+o を 第1 余多定理、ヵ.230 回を 第2余弦定理 2 )

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English Senior High

空所に入る単語を確認したいです 合っていますか? a-granted b-what c-分かりません d-water e-わかりません f-without

Living in India reveals our expectations ot the material world. 1 may think of myself as nonmaterialistic and disapprove of the Indian attachment to Western conSumer goods, but Im forced to realize that I take all too many of them for (g ) myself. As Westerners, our standard of living in India iS far higher than that of most people around us. We tell house rental agents that were just looking for something simple. But simplicity is relative. For We expect ( wー一一) Americans think of as basic requirementSs: electricitY, (⑮) a telephone, e-mail, flush toilet, hot and cold water. We are assured that all these things Wil be (a ). And in a way they are. But it takes five weeks for the telephone to be installed, sometimes it goes dead, and we cantuse it to call abroad. There is hot water, but not in the kitchen. The electricity goes out for half an hour every evening, and sometimes for longer periods during the day. The voltage is high enough to work the e-mail modem only before 9 am. The municipal (W ) supply shrinks to a trickle in the dry season, and sometimes the pump to our backup well fails. When the supply ijS adequate, the toilet flushes. So, all these basic services do ぶ( eーー一), but they are unpredictable. ( This is a healthy lesson. For one thing, it connects us with others. If one or another of these services isnt working, we share with neighbors or We do(W ) for a few hours, or for a day or two. They use our telephone if they need to: they bring us candles 寺 we have no electricity.

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