Solving Trig Equations

 Example 1

  Example 2
 

 Example 3
  

   Example 4

   Example 5

   Example 6

Example 7

Example 8

Example 9

Example 10

Example 11

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

© Alexander Forrest