IB DP Maths: AA SL復(fù)習(xí)筆記3.4.2 Exact Values
Trigonometry Exact Values What are exact values in trigonometry? For certain angles the values of sin?θ, cos?θ?and tan?θ?can be written?exactly This means using fractions and surds You should be fa...
IB DP Maths: AA SL復(fù)習(xí)筆記3.4.1 The Unit Circle
Defining Sin, Cos and Tan What is the unit circle? The unit circle is a circle with radius 1 and centre (0, 0) Angles are always measured from the positive x-axis and turn: anticlockwise?for?positi...
IB DP Maths: AA SL復(fù)習(xí)筆記3.3.3 Applications of Trigonometry & Pythagoras
Bearings What are bearings? Bearings?are a way of describing and using?directions?as?angles They are specifically defined for use in navigation because they give a precise?location?and/or?direction...
哪些U.S News排名下降的美國(guó)學(xué)校，申請(qǐng)呈增長(zhǎng)趨勢(shì)？
打算赴美國(guó)留學(xué)的同學(xué)，很多將U.S NEWS美國(guó)大學(xué)排名作為選校的重要參考依據(jù)。但是有些學(xué)校雖然排名下跌，但卻熱度不減！例如，南加州大學(xué)在近10年的U.S.NEWS美國(guó)大學(xué)排名中下跌了5位，但申請(qǐng)的學(xué)生呈增長(zhǎng)趨勢(shì)，錄...
美國(guó)中小學(xué)生數(shù)學(xué)國(guó)際競(jìng)賽盤(pán)點(diǎn)！
如今“爬藤”越來(lái)越難，光光有SAT已經(jīng)入不了藤校招考官的法眼，還必須要有一些差異化的加分項(xiàng)。而美國(guó)各階段的數(shù)學(xué)學(xué)術(shù)活動(dòng)成績(jī)不失為體現(xiàn)孩子數(shù)學(xué)實(shí)力的重要證明。美國(guó)各類(lèi)中小學(xué)生數(shù)學(xué)國(guó)際學(xué)術(shù)活動(dòng)有哪些？ 袋鼠...
IB DP Maths: AA SL復(fù)習(xí)筆記3.3.2 Non Right-Angled Trigonometry
Sine Rule What is the sine rule? The sine rule allows us to find missing side lengths or angles in?non-right-angled triangles It states that for any triangle with angles?A, B?and?C Where a?is the s...
統(tǒng)計(jì)學(xué)方向課題推薦，對(duì)應(yīng)用數(shù)學(xué)感興趣的同學(xué)看過(guò)來(lái)！
本周課題導(dǎo)視 統(tǒng)計(jì)學(xué)方向課題 復(fù)雜系統(tǒng)可靠性模型研究單反相機(jī)非線性響應(yīng)曲線的測(cè)量與標(biāo)定方向數(shù)據(jù)的誤差線分析民眾政治社會(huì)價(jià)值觀研究世界幸福指數(shù)流量明星微博轉(zhuǎn)發(fā)鏈新冠疫情走勢(shì)預(yù)測(cè) 1. 復(fù)雜系統(tǒng)可靠性模型研...
U.S.News發(fā)布文書(shū)寫(xiě)作6條語(yǔ)法建議！申請(qǐng)季必看的6條文書(shū)寫(xiě)作指南！
轉(zhuǎn)眼7月份已經(jīng)過(guò)去了一半，距離新一輪的申請(qǐng)也不遠(yuǎn)啦！同學(xué)們是不是已經(jīng)在準(zhǔn)備材料了呢？ 每年的文書(shū)總會(huì)困住不少準(zhǔn)留學(xué)er。不知道怎么開(kāi)頭的，寫(xiě)到一半沒(méi)了靈感的，寫(xiě)完覺(jué)得不夠生動(dòng)、怕吸引不了招生官眼球的…歸...
2022 Nature指數(shù)排名出爐！盤(pán)點(diǎn)中美英大學(xué)表現(xiàn)！
前段時(shí)間，2022自然指數(shù)年度榜單（Nature Index 2022 annual tables）正式發(fā)布！這份榜單展示了不同國(guó)家的科研機(jī)構(gòu)，在自然科學(xué)領(lǐng)域的高質(zhì)量科研產(chǎn)出情況。 對(duì)于想要在化學(xué)、地球與環(huán)境科學(xué)、生命科學(xué)、物理學(xué)領(lǐng)...
IB DP Maths: AA SL復(fù)習(xí)筆記3.3.1 Pythagoras & Right-Angled Triganometry
Pythagoras What is the Pythagorean theorem? Pythagoras’ theorem is a formula that works for?right-angled triangles?only It states that for any right-angled triangle, the?square of the hypotenuse is...
美高專(zhuān)屬，比STS更低年級(jí)友好！2022 JSHS青少年科學(xué)與人文論壇開(kāi)始報(bào)名！
進(jìn)入Top大學(xué)的競(jìng)爭(zhēng)越發(fā)激烈，在美本申請(qǐng)過(guò)程中，美高的學(xué)生要如何把握優(yōu)勢(shì)，充分利用課外活動(dòng)和參賽機(jī)會(huì)，增加自己的“申請(qǐng)砝碼”？ 之前我們給大家介紹過(guò)面向美高學(xué)生的科研賽事《再生元科學(xué)天才獎(jiǎng)STS》。STS的含...
IB DP Maths: AA SL復(fù)習(xí)筆記3.2.2 Volume & Surface Area
Volume of 3D Shapes What is volume? The volume of a 3D shape is a measure of how much 3D space it takes up A 3D shape is also called a?solid You need to be able to calculate the volume of a number ...
