Factor Formulae

Descripción

A-Levels Further Mathematics Fichas sobre Factor Formulae, creado por Alex Burden el 24/04/2017.
Alex Burden
Fichas por Alex Burden, actualizado hace más de 1 año
Alex Burden
Creado por Alex Burden hace más de 7 años
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Resumen del Recurso

Pregunta Respuesta
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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