# Find the Exact Value sin((5pi)/4)

Find the Exact Value sin((5pi)/4)
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant.
The exact value of is .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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### Name

Name one billion one hundred two million seventy-two thousand one hundred eighty-two

### Interesting facts

• 1102072182 has 16 divisors, whose sum is 2208225072
• The reverse of 1102072182 is 2812702011
• Previous prime number is 541

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 24
• Digital Root 6

### Name

Name six hundred forty-eight million nine hundred seventy-eight thousand seven hundred eighty-eight

### Interesting facts

• 648978788 has 8 divisors, whose sum is 1460202282
• The reverse of 648978788 is 887879846
• Previous prime number is 2

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 65
• Digital Root 2

### Name

Name one billion one hundred forty-two million four hundred thirty-two thousand one hundred forty-three

### Interesting facts

• 1142432143 has 4 divisors, whose sum is 1143072520
• The reverse of 1142432143 is 3412342411
• Previous prime number is 1789

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 25
• Digital Root 7