Solve for x (1-tan(x)^2)/(1+tan(x)^2)=cos(2x)

Solve for x (1-tan(x)^2)/(1+tan(x)^2)=cos(2x)
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Name

Name one billion nine hundred ninety-two million seven hundred seven thousand one hundred ten

Interesting facts

  • 1992707110 has 16 divisors, whose sum is 3589377696
  • The reverse of 1992707110 is 0117072991
  • Previous prime number is 1447

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 37
  • Digital Root 1

Name

Name one billion four hundred one million three hundred thirty-four thousand five hundred forty-six

Interesting facts

  • 1401334546 has 4 divisors, whose sum is 2102001822
  • The reverse of 1401334546 is 6454331041
  • Previous prime number is 2

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 31
  • Digital Root 4

Name

Name four hundred fifty-two million nine hundred fifty-five thousand two hundred eighty-nine

Interesting facts

  • 452955289 has 4 divisors, whose sum is 453117456
  • The reverse of 452955289 is 982559254
  • Previous prime number is 159323

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 49
  • Digital Root 4