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数学 高校生

(2)なんですが、180°で計算している場合と90°で計算している場合はどのような、基準で決めているんですか??違いがわからずどっちを使ったらいいのか分かりません😓教えてください。お願いします🙇‍♀️

1 cs135'Xsin120 xtan150'cos60* の値を来めよ。 sin80*十cos110'十sin160"十cos 170" の値を求めよ。 と9還 ] (0 印朋の三角比の値と式の変形 。 |④②②②の| (2 | コケ.」67 基本事項1.9 ) ーー 鈍角の三角比の扱い 直接. 値を求めるが, 鋭角の三角比に直す (2) 80"=90*一10*, 110*王90"填20 160"三180?一20*, 170'三180*10* に着目して, 各項を 10", 20? の三角比で表す証| 1 1 1結 軸(な式/に ar 人語の (-訪よー方 列角| (1) 5 2 い Y3 2 cos135*王cos(90"十45?) cos135*cos (180?一45))テーcos 45? ニー。in45* sin120*三sin(180*一60)ニsin60* sin120*王sin(90*十30?) 本 人 1人S.w Ji 剖GOS008 三cos30* 4章 tan150"三tan(90*十60)ニテー an60" SNR60* tan150ニten (80一30) て, 与式は ニーtan30" 3 に に 60 1 cos60"三cos(90*一30?) 13 (一cos 45)xsin60'x( cos ) cos60*ーcos45*ニーー ーsin30* として計算してもよい。 婁 (2 (与式)=sin(90"一10)+cos(90'二209+sin 180呈207 思 十cos(180?一10?) 多 =cos10"一sin20"十sin20*一cos10* 婁 =テ0 INFORMATION W 180*-の 90?十の の三角比は, 下の図と関連付けて覚えるとよい。 mf sin(180'"一のテッ sinの cos(180"一のニー* ニーcosの tan180'-の=二 ーーtan9

解決済み 回答数: 2
英語 高校生

「比較」の話です。 赤線の部分の解釈は、a job candidate's ・・・ と is で倒置か起きているという認識で大丈夫でしょうか

人 acher Or & CTUSaAQCT 【OT ATY てGS チ e tommorrOW s plantobca President Or DIで mayDb will almost certainly touch you sometime in your life public speaking Imagine yourself in thesc situaHiOnS・ poration. One of yo alargc staff meeting at elopin叶 One by onc Public spcaking and are es are stumbling and c speaking COUTSC- get the job. maybc not for fiVe Years. 2 u will gc @p | Youareoncofseven managcment trainees in a large COTI the lower-managementjob that has just opencd. There is to be ャjn 10 cach of thc tainecs will discuss the project he or she has bccn dcv が collcagues make their presentations. They have no cxpcrience in intimidated by the higher-ranking managers present. Their speech awkward、You, howcvcr, call upon all the skills you lcarned in Your publi You dcliver an informative talk that is clear, well reasoned, and articulate You @B is 上 You arc the assistant manager in a branch office of a national comDany・ Your immediate superior, the branch manager。 is about to reUre, and there wi be a retir dinner. All the executives from the home office will attend. As his close working asSOC1a4te。 you are asked to give a farewell toast at the party. You prepare and dcliver a speech that is both witty and touching 一 a perfect tribute to your boss. After the speech、 eVeryOnc emnent 20 applauds cnthusiastically, and a fcw people have tears in their eyes. The following weck you are named branch manager. @QD 国 Fantasicsp Notreally. Either of のthese situations could occur. In arecent survey of more than 300 employers, 93 pcrcent stated that the abilhity to think critically and communicate clearly js more important for career succss than is a job candidate's undcrgraduatc major 25 1 Im another survey,the American Management Association asked 768 cxecutives and managers to rank the skills most esscntial to today's workplace. What was at the top of ・ ・ 向 ・ ・ ・ ・ 1 MP HistP Communication skills、The importance of such skills is true across the board 一 Ss M accountants and architects, tcachers and technicians。 scicntists and stockbrokecrs 3 SS ・ * ・ 8 い Businesscs are also asking people to give more specches in the carly stages of their Ccareers 0 PR5 professionals are using public speaking as a way to stand out in today's hi competitive job market. (Nor has the growth of the Internet and oth 史 Ne reduced the need for public speaking. As i Ne。、。 ・ AScarecrexpert Lindsey Pollak states、 “TE ho has that combination of really good technical ski 1 月 ical skills and verbal communicati Shoulders above your coll i 0 oleagues F you can combine those two.”"

解決済み 回答数: 1