1. See A3 sheet given out in Unit 1 For more solving techniquesβ α 3 4 12 5
Substitution
and solving
Sub for cos2x
Factorise
Steps
Pythagoras Theorem
Expansion
SOHCAHTOA
Solve.
Solve
Expansion
With Triangles
See A3 sheet given out in Unit 1
For more solving techniques
Trigonometry
TYPE questions
(Quadratic, Function Graphs)
Exact values
and radians !!!
Sketching
Basic
f(x) = sinx
f(2x) = sin2x
3f(2x) = 3sin2x
f(2x) + 1 = 3sin2x + 1
Equation from Graph
and solving
Steps
Write down equation using graph
Using balance method to solve
See A3 sheet given out in Unit 1
For more solving techniques