AlienFlo
AlienFlo AlienFlo
  • 16-03-2021
  • Mathematics
contestada

Use a sum identity to find the exact value of cos 285.

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s1806176
s1806176 s1806176
  • 16-03-2021
The exact value of cos 285 is:
Fraction: (square root of 6 - square root of 2) over 4
Decimal: 0.25881904...
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