The Maths TailorPast-paper stats

STEPComplex NumbersRank #38·Type MC

Half-angle factorisation: split $e^{i β} - e^{i α}$ into modulus $2 sin \frac{β - α}{2}$ and argument $\frac{α + β}{2} + \frac{π}{2}$

At a glance

4

Occurrences

questions

4

Years

4

Papers

4

Worked

100%

When this method shows up

Years in which at least one question on this paper triggers the method.

2009 2017 2018 2021

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