これは(sinθ＋π)cos(θ＋π/2)＋sin(π/2-θ)cos(-θ)の問題の解説なんですけど、青線のところが分からないので教えて欲しいです。

(2) sin (0+x) = - sin 0, cos (0+1 2727) = - sin 0, π sin = cos 0, cos(-0) = cos 0 ars したがって (5)=(-sin 0) (-sin 0) + cos 0.cos = sin 20+ cos20=1

合ってるか見てほしいです💦

□12. ( ) we listen to music seems to keep changing: CDs, downloads and now (東京都市大) streaming. ①What The way ③That ④All but ☐ 13. I was sick in bed. That's ( ) I was absent from school yesterday. (4) ①how ②where ③why when wrote Kokoro and Botchan, was born in 1867. 14. Soseki Natsume, ( 1 whom ②who 3 of which ④whose ( 椙山女学園大) 15. The university is located in Yokohama, ( ) is Japan's second largest city. ①that 2 which 3 where ④what (フェリス女学院大) 16. He broke the window, ( ). ①that he made his father angry 3 which is made his father angry that his father is angry which made his father angry (日本大) 関係詞

二問目がなぜａではなくcなのでしょうか？教えて欲しいです🙇

[B][]に入る最も適切 1. You will fail in the entrance examination [ Rebo 2. [ (a) because (b) unless (c) if ] you study hard. (d) when ] the weather was bad, we went on a picnic. Ax(a) In spite of (b) Despite 3. Let's take an express train [ (a) even if (b) so that (c) Although (d) Even ] we can get there 20 minutes earlier. (1109) while? siden 518 such as

この問題の答えはウなんですが、なんで最上級なのにtheがいらないんですか？教えてくださいm(_ _)m

7. so 1.such im. very 1. too sq) allob E My father gets up 10 our family and takes our dog for a walk. 11✰ 17. the earliest of 7. earliest in 1. earlier than I. earlier of tog I feid word uoy o: mol

2枚目の画像の問題で（1）がcになる理由がわかりません。一応1枚目の画像の長文と話は繋がってて文のつながりを見たら答えははっきり分かります。2枚目の画像の文だけ見て判断できる理由をお願いします🙇長文すみません。

Welcome aboard! You are now at a new stage in your life. What do you want to do? Many of you may not be able to answer this question easily ( 1 ),"I have no idea." ), Do not take the question too seriously. Start with (1) something familiar. ( 2 you can try to "make a lot of new friends," "become a regular player on your sports team," 14 dated of abr "learn how to play the guitar," or "learn five new English words a day." You see? You can find many things to do. You may say that you do not know how to achieve these things. Well, if (2)that is the case, here are four pieces of advice for you.

（2）から（7）まで全部分かりません😭 答えと、その答えになる理由を教えてください。 沢山書き込みをしているのですが無視してください。 見にくくてすいません。🥲 お願いします🙇‍♀️

(2) 自分のしたことを他人に認めてもらおうともらうまいと問題ではない。 matter/may/others It (approve/doesn't / matter / I may /* others/whether) of your work or not, It No (4 of your work or not. I don't know why but it (as me / none / I strange / the passengers uttered a word. I don't know why but it a word. (4)我々のものの見方は、 我々の知識によって大きな影響を受ける。 (5) what we view things. */18+ ⑦ we know. not f Lost water whether, of struck/that) the passengers uttered is very much affected (☞ what / ↑ view / by / I things / how / we / very much affected) we know. (5) 失ってみて初めて, 持っているものの価値に気付くことがよくある。 (6) lost a the things. We often don't recognize (♬ have // /// 5) /them/the things / until/ + the value / we / we've). + We often don't recognize T T Ø I PIB₤. エウキ I passed (I took at // but I could never the other courses / I my university / pass botany/that/all). オ I passed 10 11 (7) 我が家族は向かい側の隣人とすぐ仲良しになりました。 made friends of cur family with neighb Soon (7 the road/family/made / neighbors / our/friends/* across/ thewith) with) Soon cur (12) I across the road No. Date

仮定法の問題です。教えてください。よろしくお願いします！！

Use your own ideas to complete the sentences. Susan looked very scared. She looked as if she had seen a ghost. 1) Tony has never met Sue, but he talks about her as if 2) Ben knew the answer, but he acted as if 5) If it were not for examinations, our school life would be more fun. 3) If it were not for 4) If it had not been for

2項係数に関する問題がわからないので教えてください。

青の四角で囲んだ部分はどこから来たのですか？？ １つ上の式に√2/2をかけるところまでは理解出来たのですが、青四角の部分は何が起こったのかどなたかわかる方教えてください！！🙇‍♀️

DO 基本 例題 137 2次同次式の最大・最小 000 Yami sincos0 +2con" (002)の最大値と最小値を求めよ。 CHART I sin と cos & SOLUTION の2次式角を20 に直して合成 1-cos 20 2 sin20= L半角の公式 基本135 MOITUJO ZA TRAHD sin20 sinOcos0= 2 cos20= 1+cos 20 2 L2倍角の公式 半角の公式 これらの公式を用いると, sino, costの2次の同次式 (どの項も次数が同じである式) は 20の三角関数で表される。(は) 更に、三角関数の合成を使って, = psin (20+α) +α の形に変形し, sin (20+α) のとり うる値の範囲を求める。 08000nia S-0 200+(nie S-1aiz L の質は一般から f(0)=sin'0+sinOcos0+2cos2d 1-cos 20 sin 20 == 2 ・+2・・ 1+ cos 20 8=24 mie sind, cose の2次の同 次式。 0 _1 2 (は2とな 3 -1/2 (sin20+cos20) + 22 2 sin (20+4)+3 (1,1) 1H OS nie-08 π 02054 sin 20, cos 20で表す。 sin 20 と cos 20 の和 合成 4章 17 加法定理 π 1 x 0≤0≤ であるから 2 30 YA S ≤20+ 4 4 4 π 5 の糖 範囲に共 π かめられる。 よって1ssin(20+4) 1 14 -1 1x AX 3+√2 ゆえに 1≤f(0)≤ この 2 ? a+r したがって,f(8) は 各辺にを掛けて √2 I> sin(20+4) √2 2 を開く! くには? 20+ π TC πC 4 2 すなわち = で最大値 120 8 π = 4 5 20+ 2 すなわち =1で最小値1をとる。 4 この各辺に22を加える。 ・利用して、右辺をsio 3+√2 2

文法とか間違っていますか？

I'm going to go to the park in Satu Polay (2) to join the event with my family. I will can go there' together because I'm frie inSunday.