AQA A Level Maths: Pure复习笔记5.4.1 Radian Measure
Radian Measure Radian measure Radians are an alternative to degrees for measuring angles 1 radian is the angle in a sector of radius 1 and arc length 1 Radians are normally quoted in terms of π Thi...
AQA A Level Maths: Pure复习笔记5.3.4 Strategy for Trigonometric Equations
Strategy for Trigonometric Equations How to approach solving trig equations You can solve trig equations in a variety of different ways Sketching a graph (see Graphs of Trigonometric Functions) Usi...
AQA A Level Maths: Pure复习笔记5.3.3 Quadratic Trigonometric Equations
Quadratic Trigonometric Equations Solving quadratic trigonometric equations If an equation involves sin2θ or cos2θ then it is a quadratic trigonometric equation These can be solved by factorising a...
AQA A Level Maths: Pure复习笔记5.3.2 Linear Trigonometric Equations
Linear Trigonometric Equations Solving linear trigonometric equations You should have already seen two ways to solve linear trig equations By sketching the graph (see Graphs of Trigonometric Functi...
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AQA A Level Maths: Pure复习笔记5.3.1 Trigonometry - Simple Identities
Trigonometry - Simple Identities What is a trigonometric identity? Trigonometric identities are statements that are true for all values of x or theta (θ) They are used to help simplify trig equatio...
AQA A Level Maths: Pure复习笔记5.2.2 Transformations of Trigonometric Functions
Transformations of Trigonometric Functions Transformations of trigonometric functions You should already have a good idea about translating, stretching and reflecting basic functions (see Transform...
AQA A Level Maths: Pure复习笔记5.2.1 Graphs of Trigonometric Functions
Graphs of Trigonometric Functions Graphs of trigonometric functions The Trigonometric Functions Sin, Cos and Tan all have special periodic graphs that you need to be able to sketch and remember You...
AQA A Level Maths: Pure复习笔记5.1.3 Non-Right-Angled Triangles
Non-Right-Angled Triangles What do I do if there isn’t a right‑angle? The Sine Rule, Cosine Rule and Area Formula can be used for ANY type of triangle They can help us calculate missing side length...
