Iturrizagap Iturrizagap
  • 17-03-2020
  • Mathematics
contestada

Using the sum and difference formula to determine the exact value of cos165

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kyla1274 kyla1274
  • 17-03-2020

Answer: cos120+cos45

1/2+v2/2

(1+v2)/2

Step-by-step explanation:

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