November 2018 1 27 Report
Aplicando Identidades, Leyes y Características, Demostrar:

a) Cos( \frac{ \pi }{3}+x)= \frac{Cosx- \sqrt{3} SenX }{2}

b) Sen(30°+β) - Cos (60°+β) =  -\frac{ \sqrt{3 } }{2}
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