further trigonometry identities
Post on 04-Dec-2014
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This presentation shows how sum and difference of angles formula are derived. It also features doubled-angled formula and other trigonometry formulas.
TRANSCRIPT
Further Trigonometry IdentitiesMultiple Angles
Solve the following equations for the angles between 0° and 360° inclusive
Simplifying trigonometry
as
taking R positive
Expand it as sum of angles
By association
where and
is acute
are positive
Further Trigonometry IdentitiesFACTOR FORMULAE
Express the following as a product of trigonometrical functions:
Prove that
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