Modelling with Trigonometric Functions What can be modelled with trigonometric functions? Anything that oscillates (fluctuates periodically) can be modelled using a trigonometric function Normally ...
Transformations of Trigonometric Functions What transformations of trigonometric functions do I need to know? As with other graphs of functions, trigonometric graphs can be transformed through?tran...
Graphs of Trigonometric Functions What are the graphs of trigonometric functions? The trigonometric functions sin, cos and tan?all have special?periodic graphs You’ll need to know their properties ...
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...
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...
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...
打算赴美國留學(xué)的同學(xué)，很多將U.S NEWS美國大學(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美國大學(xué)排名中下跌了5位，但申請的學(xué)生呈增長趨勢，錄...
如今“爬藤”越來越難，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。而美國各階段的數(shù)學(xué)學(xué)術(shù)活動成績不失為體現(xiàn)孩子數(shù)學(xué)實力的重要證明。美國各類中小學(xué)生數(shù)學(xué)國際學(xué)術(shù)活動有哪些？ 袋鼠...
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...
