Find the Exact Value cot(-(2pi)/3)

Find the Exact Value cot(-(2pi)/3)
Add full rotations of until the angle is between and .
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
The exact value of is .
Multiply by .
Combine and simplify the denominator.
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Multiply and .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Rewrite as .
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Rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Evaluate the exponent.
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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Name

Name one billion two hundred ninety-eight million nine hundred fifty-five thousand five hundred forty-one

Interesting facts

  • 1298955541 has 8 divisors, whose sum is 1399197240
  • The reverse of 1298955541 is 1455598921
  • Previous prime number is 17189

Basic properties

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

Name

Name six hundred seventy-four million one hundred seventy-nine thousand nine hundred seventy-two

Interesting facts

  • 674179972 has 32 divisors, whose sum is 1564082784
  • The reverse of 674179972 is 279971476
  • Previous prime number is 131

Basic properties

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

Name

Name nine hundred twelve million five hundred seven thousand three hundred twenty-six

Interesting facts

  • 912507326 has 8 divisors, whose sum is 1382313384
  • The reverse of 912507326 is 623705219
  • Previous prime number is 101

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 35
  • Digital Root 8