lolefant lolefant
  • 08-05-2020
  • Mathematics
contestada

Find the exact value of cos165

Respuesta :

Chelboy
Chelboy Chelboy
  • 08-05-2020

Answer:

-(√(3/2) )/2 - 1/(2√(2))

Step-by-step explanation:

Cos165=-(√(3/2))/2 - 1/(2√(2))

Answer Link
mwalker04 mwalker04
  • 14-07-2020

Answer:

-sqrt(6)+sqrt(2)/4

Step-by-step explanation:

the answer is B

Answer Link

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