# Find the Reference Angle cot(120 degrees )

Find the Reference Angle cot(120 degrees )
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cotangent is negative in the second quadrant.
The exact value of is .
Multiply by .
Combine and simplify the denominator.
Multiply and .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Rewrite as .
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Evaluate the exponent.
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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### Name

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

### Interesting facts

• 2120467152 has 128 divisors, whose sum is 14935472064
• The reverse of 2120467152 is 2517640212
• Previous prime number is 23

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 30
• Digital Root 3

### Name

Name one billion three hundred ninety-three million nine hundred ninety-three thousand eighty

### Interesting facts

• 1393993080 has 64 divisors, whose sum is 6272970480
• The reverse of 1393993080 is 0803993931
• Previous prime number is 5

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 45
• Digital Root 9

### Name

Name one billion nineteen million two hundred forty-three thousand one hundred thirty-six

### Interesting facts

• 1019243136 has 1024 divisors, whose sum is 23250084480
• The reverse of 1019243136 is 6313429101
• Previous prime number is 1129

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 30
• Digital Root 3