Trig. Equations

How to Solve a Trig. Equation

Can it be written in the same trig. function?

You may need to use an identity to write an equation in the same trig. function which may then possibly factorise.

In these examples I show you how the identities

identity

can be used to solve equations with different trig. squared functions in.

The examples are:

examples

You may wish to try these as part of your revision before looking at the numerical answers or the video of the worked solutions.

 

Worked solution to (1)

Worked Solution to (2)

Worked solution to (3)

 

Add your comments by double clicking on any video

Maths Aid

Maths Revision Books and Study Guides

Related Topics

Quadrant Rule

 

 

Back to tutorials

 

Hertfordshire Web Design