At a glance
3
Occurrences
questions
3
Years
3
Papers
3
Worked
100%
When this method shows up
Years in which at least one question on this paper triggers the method.
Other top methods in Trigonometry
- Write down the full general solution of a basic trig equation×4
- Weierstrass half-angle substitution: let to algebraise a trig expression×3
- Chebyshev bridge: a special angle is a root of a polynomial, and a polynomial hides a multiple angle×2
- Square and use to eliminate the auxiliary angle×1
- R-form: fuse into one shifted sinusoid×1
See the worked examples
Open this method in the 3-panel methods app to see the demonstration, every linked past-paper question, and how to attack it.
Open method in the STEP appTry a method on a real paper
Open the STEP methods app to see worked examples, linked questions and the 3-panel revision view.
Open STEP methods