# Find the Exact Value tan((7pi)/4)

Find the Exact Value tan((7pi)/4)
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because tangent is negative in the fourth quadrant.
The exact value of is .
Multiply by .
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### Name

Name eighty-six million nine hundred forty-eight thousand one hundred ninety-four

### Interesting facts

• 86948194 has 8 divisors, whose sum is 131887980
• The reverse of 86948194 is 49184968
• Previous prime number is 89

### Basic properties

• Is Prime? no
• Number parity even
• Number length 8
• Sum of Digits 49
• Digital Root 4

### Name

Name eight hundred forty million eight hundred ninety-four thousand one hundred twenty-three

### Interesting facts

• 840894123 has 8 divisors, whose sum is 1121797008
• The reverse of 840894123 is 321498048
• Previous prime number is 1877

### Basic properties

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

### Name

Name one billion four hundred twenty-four million four hundred eighty-one thousand six hundred twenty

### Interesting facts

• 1424481620 has 64 divisors, whose sum is 3976819200
• The reverse of 1424481620 is 0261844241
• Previous prime number is 31

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 32
• Digital Root 5