Differentiating Trig Functions How do I differentiate sin and cos? For calculus with trigonometric functions angles must be measured in?radians Ensure you know how to change the angle mode on your ...
Proof by Deduction What is proof by deduction? Proof by deduction is when a mathematical and logical argument is used to shows whether or not a result is true How to do proof by deduction &n...
Increasing & Decreasing Functions What are increasing and decreasing functions? How do I find where functions are increasing, decreasing or stationary? To identify the?intervals?on which a func...
Language of Proof What is proof? Proof is a series of logical steps which show whether a result is?true?or not for a set of specified numbers e.g. All intigers, all even numbers etc Notation...
Edexcel IGCSE Physics 復習筆記 1.4.1 Moments The Moment of a Force As well as causing objects to speed up, slow down, change direction and deform, forces can also cause objects to?rotate An ...
Edexcel IGCSE Physics 復習筆記 1.3.4 Momentum & Safety Features Momentum & Safety Features Since force is equal to the rate of change in momentum, the force of an impact in a vehicle...
Edexcel IGCSE Physics 復習筆記 1.3.3 Newton's Third Law Newton's Third Law Newton's?third law of motion?states: Whenever two bodies interact, the forces they exert on each other are e...
Tilting What does it mean if a rod is on the point of tilting? A rod will?tilt?(rotate) about a?pivot?if the?resultant moment?about that pivot is?non-zero Examples of tilting: A person walki...
TMUA 這兩年突然“異軍突起”，先是2021年劍橋宣布所有申請計算機科學的學生都要考 TMUA；再是今年劍橋砍掉 ECAA，改為 TMUA。可以說 TMUA 是這兩年劍橋最重視的考試了！連LSE 都官網(wǎng)鼓勵申請學生考TMUA。 為什么TM...
