I do likeと I likeの違いを教えてください！

傍線部の部分の計算結果がなぜ 4√6 __ 3 になるのかが分からないです。教えて下さい🙇‍♀️

"Olnet (8) (2)a=4,A=60°B=45° のとき, bとRを 求めよ。 a = 4, A = 60°, B=45°であるから, 正弦定理 により 4 sin 60° よって = b sin45° 4sin45° √3 b = =4x = sin 60° 2 2 4√6 3 4 また, sin 60° 4 2 R = =2÷ =2R+5x=xS 3 大 = 2sin 60° sin 60° 2 3 2

（2）ですが、模範解答の意味は理解できました。 でも、自分で解いたのがなぜ違うのかがわかりません。

がある。 69 数列 1, 1, 4, 1, 4, 9, 1, 4, 9, 16, 1, 4, 9, 16, 25, 1. (1)を自然数としたとき,自然数n2 が初めて現れるのは第何項か。 (2) 第100項を求めよ。 (3) 初項から第100項までの和を求めよ。

英検2級のライティングの問題です。 添削をお願いします。 もっといい表現などがあったらそれも知りたいです🙇‍♂️

(要約) It is important for them to be looked their shapes. So many people do two things. First, they pay attention to how much eat. often Second, they move their body and keep their muscles. They have to find a routine that fits their life and keeps they feeling good for a long time. (英作文) (53) (b) I think that Japan should use the Internet for people to vote in elections, I have two reasons to support my opinion, First, by voting on the Internet Can save our time and cost. We do not have to go the venue for voting, For Second, it is very convenience, exoudle. We can vote if we go to foreign countries. on the Internet. Also, it is useful for people that live in the country to vote on the Internet. For these reasons that I explained above, it should be possible to vote online. (93).

赤線部について質問です。 abundantの前にbe動詞が来ていないのは何故ですか？🙇🏻‍♀️

11 水の惑星 161 words 1 Earth is different from other planets because of water. Water has a tremendous effect on our planet. Nothing is as important as water to life on the earth. But for water, life on the earth would be impossible. Humans are composed of nearly 70 percent water, 5 and we are dependent on water in many ways. We couldn't do without water even a day. However, serious water supply problems exist in regions where fresh water is in short supply, such as deserts. Even regions abundant in fresh water are not without problems, and maintain- 10 ing the quality and quantity of water is very important. > Worldwide, we are using more and more water, in part because our ad population is on the increase and in part because, on the average, each person is using more water. Especially in developing countries, the supply of water can't keep up with the demand for water. 15 4 To meet the need for water, we must take whatever steps are 16 necessary. 0 abean adan and H

文章に合う単語を教えてください

A. Circle the correct words to complete the information below. The tomb of Emperor Qin Shihuang was 'constructed/revealed more than 2,000 years ago and has never been opened. This is because archeologists, as well as the Chinese government, want to apply/protect what lies inside it. Many archeologists feel we don't have the 'currency/ techniques right now to preserve whatever is found there. Once unearthed, the artifacts may lose their original colors, much like the emperor's terracotta 'network/army. A terracotta horse Modern tests have also applied / revealed high levels of mercury-a 'liquid/ technique metal-in the area. It is thought that Emperor Qin's tomb is surrounded by a 'currency/network of rivers filled with mercury, which symbolized never-ending life.

なぜ 2(sin^2A+cos^2A)=2　となるのですか？

(1) (5)=(sin2A+2 sin A cos A+cos²A) +(sin2A-2 sin A cos A+cos² A =2(sin²A+cos²A)=2

教えてください！！！！

en samt ③各組の文がほぼ同じ意味になるように( )内に適語を入れなさい mit TO (a ), Jane took a ring Because I had not visited Paris before, I was so excited. 1) {Jan Jane opened the box and then took a ring out of it. ) ( )( 2) 3) When ( 4) ) ( ) ( Hearing the news, she started to cry. ) ( ring out of it. Rep cenneters. E B ) Paris before, I was so excited. old ) the news, she started to cry.H Henry ate forms ad oby Not knowing the truth, he blamed Sarah. ) ( ) the truth, he blamed Sarah. àob I made loods of vis Because he (

脳下垂体前葉から分泌される副腎皮質刺激ホルモンの副腎皮質とはなんですか？副腎皮質にはどんな働きがありますか？

元素分析の反応式を教えてください！🙏🏻