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
- Trade products for sums (and back) to factor, telescope or differentiate×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
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