Aims: To be familiar with the inverse trig functions. To be able to solve trigonometry equations that are equal to a constant. To be able to solve a.

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Presentation transcript:

Aims: To be familiar with the inverse trig functions. To be able to solve trigonometry equations that are equal to a constant. To be able to solve a hidden quadratic involving trig. Trigonometry Lesson 3

Recall Trig identities We met these last lesson and you will find, that they come in useful when solving trig equations.

Trig Equations Solve The equation

Trig Equations Solve The equation

Trig Equations – Hidden Quadratic Solve The equation Firstly we need to make this an equation only involve one type of trig function and so need to make use of this identity

Trig Equations – Hidden Quadratic 1. Solve the Anagram Trig Equations puzzle 2. Do exercise C page 59 qu 5 and 11

30 Minutes Review work

A Challenge – Hard?!