Simplify (2cos(theta)-1)(2cos(theta)+1)

Simplify (2cos(theta)-1)(2cos(theta)+1)
Expand using the FOIL Method.
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Apply the distributive property.
Apply the distributive property.
Apply the distributive property.
Simplify terms.
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Combine the opposite terms in .
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Reorder the factors in the terms and .
Subtract from .
Add and .
Simplify each term.
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Multiply .
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Multiply by .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Multiply by .
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Name

Name two billion eighty-four million nine hundred eleven thousand nine hundred sixty-two

Interesting facts

  • 2084911962 has 16 divisors, whose sum is 4765513152
  • The reverse of 2084911962 is 2691194802
  • Previous prime number is 3

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 42
  • Digital Root 6

Name

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

Interesting facts

  • 1633541118 has 64 divisors, whose sum is 3854158848
  • The reverse of 1633541118 is 8111453361
  • Previous prime number is 17

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 33
  • Digital Root 6

Name

Name five hundred thirty-nine million seven hundred forty-three thousand one hundred sixty-one

Interesting facts

  • 539743161 has 16 divisors, whose sum is 742889664
  • The reverse of 539743161 is 161347935
  • Previous prime number is 37

Basic properties

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