g9rAngelshell
g9rAngelshell
05-05-2016
Mathematics
contestada
sin43×cos47+cos47×sin43
Respuesta :
TSO
TSO
20-05-2016
sin(α + β) = sin(α)cos(β) + cos(α)sin(β)
sin43×cos47+cos47×sin43 = sin(43 + 47)
= sin(90) =
1
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