Maths Mutt HOME

Solving Trig Equations

Example 1

Trig equation example 1 initial equation
Worked solution for trig equation example 1

Example 2

Trig equation example 2 initial equation
Worked solution for trig equation example 2

Example 3

Trig equation example 3 initial equation
Worked solution for trig equation example 3

Example 4

Trig equation example 4 initial equation
Worked solution for trig equation example 4

Example 5

Trig equation example 5 initial equation
Worked solution for trig equation example 5

Example 6

Trig equation example 6 initial equation
Worked solution for trig equation example 6

Example 7

Trig equation example 7 initial equation
Intermediate steps for trig equation example 7
Worked solution for trig equation example 7

Example 8

Trig equation example 8 initial equation
Worked solution for trig equation example 8

Example 9

Trig equation example 9 initial equation
Worked solution for trig equation example 9

Example 10

Trig equation example 10 initial equation
Worked solution for trig equation example 10

Example 11

Worked solution for trig equation example 11

Example 12

Trig equation example 12 initial equation
Worked solution for trig equation example 12

When faced with equations involving double angle or compound angles, the aim is to end up with a factorised equation that equals zero. The individual parts can then be discovered and discarded if necessary.

Example 13

Trig equation example 13 initial equation
Worked solution for trig equation example 13