# Expand Using Sum/Difference Formulas sin(pi+x)

Expand Using Sum/Difference Formulas sin(pi+x)
Use the sum formula for sine to simplify the expression. The formula states that .
Remove parentheses.
Simplify each term.
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
The exact value of is .
Multiply by .
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant.
The exact value of is .
Multiply by .
Rewrite as .
Subtract from .
Do you know how to Expand Using Sum/Difference Formulas sin(pi+x)? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.

### Name

Name two billion one hundred twenty-six million nine hundred ninety-one thousand nine hundred seventy-one

### Interesting facts

• 2126991971 has 8 divisors, whose sum is 2319602880
• The reverse of 2126991971 is 1791996212
• Previous prime number is 79

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 47
• Digital Root 2

### Name

Name six hundred ninety-eight million seven hundred forty-eight thousand one hundred nineteen

### Interesting facts

• 698748119 has 8 divisors, whose sum is 729555552
• The reverse of 698748119 is 911847896
• Previous prime number is 15881

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 53
• Digital Root 8

### Name

Name one billion eight hundred seventy-four million one hundred sixty-eight thousand four hundred twenty-six

### Interesting facts

• 1874168426 has 64 divisors, whose sum is 3624714240
• The reverse of 1874168426 is 6248614781
• Previous prime number is 13

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 47
• Digital Root 2