3.4 Trigonometry 4
Lecture Outline
Preview activity: 3.4 Trigonometry 4
Preview activity 3.4. Solution
Introduction
Using addition formulae
Your turn!
Solution
Example 2
Solution
Double angle formulae
Using double angle formulae to prove identities
Half-angle formulas
Half-angle formulas
Example 7
Using R-formulae to solve equations
Example 10
Prove sin⁡〖u cos⁡v =1/2[sin⁡(u+v)+sin⁡〖(u -v)〗] 〗
Sum-to-Product formulas
Prove sin x+sin y=2sin (x+y)/2 cos (x -y)/2
Example 11
Example 11. Solution
Learning outcomes
Preview activity: 3.5 Trigonometry 5
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Category: mathematicsmathematics

Trigonometry 4. Lecture Outline

1. 3.4 Trigonometry 4

Foundation Year Program
NUFYP Mathematics
3.4 Trigonometry 4
Adina Amanbekkyzy
2019-2020

2. Lecture Outline

Foundation Year Program
Lecture Outline
The addition and subtraction
formulas sin
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