Y2 Pure, Chapter 7:

Trigonometry and modelling

Y2 Pure Chp7 KO.pdf

Knowledge organiser

Y2 Pure - Chp7 Trig and Modelling.pdf

Textbook chapter

Y2 Pure Chp7 Solutions.pdf

PMT solutions

Y2 Pure 7.1

Addition formulae

Proving the compound angle formulae

Using the formulae backwards

Y2 Pure 7.2

Using the angle addition formulae

Exact values of sin(105°), cos(150°) & tan(15°)

Y2 Pure 7.3

Double-angle formulae

Intro: double angle formulae

Y2 Pure 7.4

Solving trig equations

Using double angle formulae to solve equations

More equations using double angle formulae

Y2 Pure 7.5

Simplifying acos(x) +- bsin(x)

Writing acosθ + bsinθ in the form rcos(θ±α) or rsin(θ±α)

+E6:10-11 (examples)

Solve 10sinθ - 6cosθ = 5

+E6-14

Maximums and minimums

Y2 Pure 7.6

Proving trig identities

EXTENSION Triple Angle Formulae

Y2 Pure 7.7

Modelling with trig functions

Textbook

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