panicatthesky
panicatthesky panicatthesky
  • 06-05-2021
  • Mathematics
contestada

Evaluate the following expression.
cos870° - sin780º =

Respuesta :

Abdullahyai
Abdullahyai Abdullahyai
  • 09-05-2021

Answer:

-sqrt(3)

Step-by-step explanation:

Solve each individually

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