Simplify 1-2sin(x)^2-3sin(x-2)

Simplify 1-2sin(x)^2-3sin(x-2)
Apply the cosine double-angle identity.
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Name

Name one hundred ninety-nine million nine hundred seventeen thousand three hundred five

Interesting facts

  • 199917305 has 8 divisors, whose sum is 244797000
  • The reverse of 199917305 is 503719991
  • Previous prime number is 5

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 44
  • Digital Root 8

Name

Name four hundred nineteen million nine hundred ninety thousand one hundred forty-two

Interesting facts

  • 419990142 has 32 divisors, whose sum is 918138240
  • The reverse of 419990142 is 241099914
  • Previous prime number is 533

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 39
  • Digital Root 3

Name

Name one billion five hundred seventy-six million six hundred fifty-six thousand four

Interesting facts

  • 1576656004 has 128 divisors, whose sum is 4520966400
  • The reverse of 1576656004 is 4006566751
  • Previous prime number is 113

Basic properties

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