Seudónimo Seudónimo
  • 23-09-2015
  • Mathematics
contestada

Which expression is equivalent to cos120°?

Respuesta :

Аноним Аноним
  • 20-07-2017
I hope this helps you



cos120=cos(180-60)= -cos60


cos120 =cos(90+30)= sin30
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22cjones62 22cjones62
  • 11-05-2021

Answer:

cos 240!

Step-by-step explanation:

edge 21

Answer Link

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