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:

Solve the following

examples

Worked Solution to (4)

Hertfordshire Web Design