# Simplify 1-2sin(x)^2-3sin(x-2)

Simplify 1-2sin(x)^2-3sin(x-2)
Apply the cosine double-angle identity.
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### Name

Name one billion two hundred sixteen million forty-one thousand three hundred eighty-three

### Interesting facts

• 1216041383 has 8 divisors, whose sum is 1240393728
• The reverse of 1216041383 is 3831406121
• Previous prime number is 83

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 29
• Digital Root 2

### Name

Name one billion five hundred thirty-nine million one hundred fifty-three thousand five hundred eighty-six

### Interesting facts

• 1539153586 has 16 divisors, whose sum is 2355974208
• The reverse of 1539153586 is 6853519351
• Previous prime number is 251

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 46
• Digital Root 1

### Name

Name one billion four hundred five million eight hundred thirty-eight thousand seven hundred eighty-one

### Interesting facts

• 1405838781 has 16 divisors, whose sum is 2084011200
• The reverse of 1405838781 is 1878385041
• Previous prime number is 1709

### Basic properties

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