Find the Exact Value cos(-(3pi)/8)

Find the Exact Value cos(-(3pi)/8)
Add full rotations of until the angle is between and .
Evaluate .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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Name

Name one billion four hundred sixty-seven million nine hundred forty-five thousand four hundred eighty-one

Interesting facts

  • 1467945481 has 4 divisors, whose sum is 1502083792
  • The reverse of 1467945481 is 1845497641
  • Previous prime number is 43

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 49
  • Digital Root 4

Name

Name one billion four hundred seventy-five million eight hundred fifty thousand three hundred fifty-five

Interesting facts

  • 1475850355 has 8 divisors, whose sum is 1734877440
  • The reverse of 1475850355 is 5530585741
  • Previous prime number is 7

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 43
  • Digital Root 7

Name

Name one billion two hundred forty-eight million seven hundred ninety-two thousand four hundred three

Interesting facts

  • 1248792403 has 4 divisors, whose sum is 1291854240
  • The reverse of 1248792403 is 3042978421
  • Previous prime number is 29

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 40
  • Digital Root 4