asdjaklskjturil asdjaklskjturil
  • 16-01-2018
  • Mathematics
contestada

how do you write the expression as an angle sin42cos17-cos42sin17

Respuesta :

Rod44 Rod44
  • 16-01-2018
sin(a+b)=sin(a)cos(b)+cos(a)sin(b).
Let a=42 and b=17 so sin(42+17)=sin59.
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