Expand Using Sum/Difference Formulas cos(pi/3+B)

Expand Using Sum/Difference Formulas cos(pi/3+B)
Use the sum formula for cosine to simplify the expression. The formula states that .
Remove parentheses.
Simplify each term.
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The exact value of is .
Combine and .
The exact value of is .
Combine and .
Combine the numerators over the common denominator.
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Name

Name one billion seven hundred twenty-two million nine hundred fifty-three thousand one hundred sixty-two

Interesting facts

  • 1722953162 has 64 divisors, whose sum is 3266853120
  • The reverse of 1722953162 is 2613592271
  • Previous prime number is 107

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 38
  • Digital Root 2

Name

Name seven hundred fifty-five million nine hundred ninety-eight thousand four hundred sixty-seven

Interesting facts

  • 755998467 has 32 divisors, whose sum is 1214400000
  • The reverse of 755998467 is 764899557
  • Previous prime number is 1517

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 60
  • Digital Root 6

Name

Name eight hundred eighty-eight million five hundred eighty-five thousand nine hundred ten

Interesting facts

  • 888585910 has 16 divisors, whose sum is 1668996576
  • The reverse of 888585910 is 019585888
  • Previous prime number is 23

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 52
  • Digital Root 7