Factor Formulae

Descrição

A-Levels Further Mathematics FlashCards sobre Factor Formulae, criado por Alex Burden em 24-04-2017.
Alex Burden
FlashCards por Alex Burden, atualizado more than 1 year ago
Alex Burden
Criado por Alex Burden mais de 7 anos atrás
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Resumo de Recurso

Questão Responda
cos(A+B)+cos(A-B)= 2cosAcosB
cos(A+B)-cos(A-B)= -2sinAsinB
sin(A+B)-sin(A-B)= 2cosAsinB
sin(A+B)+sin(A-B)= 2sinAcosB
cos(-x)= cosx
sin(-x)= -sinx
tan(-x)= -tanx
cosx+cosy= 2cos1/2(x+y)cos1/2(x-y)
cosx-cosy= -2sin1/2(x+y)sin1/2(x-y)
sinx-siny= 2cos1/2(x+y)sin1/2(x-y)
sinx+siny= 2sin1/2(x+y)cos1/2(x-y)

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