Angle Formulae | |||||
Summary |
there are four sets of formulae which make the solving and manipulation of trigonometric equations and identities easier. these are:
all of these formulae are all provided in the tables issued for the bursary examination, although, as always, it is useful if you can memorise them. you are not required to learn how they are derived and proved but you should be able to follow the working.
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Key Skills |
use the following formulae:
to help solve equations and prove identities. |
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Vocabulary |
compound angle formulae, double angle formula, product to sum formulae, sum to product formulae. |