# 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 eight hundred ninety-seven million one hundred twenty-four thousand one hundred five

### Interesting facts

• 897124105 has 4 divisors, whose sum is 1076548932
• The reverse of 897124105 is 501421798
• Previous prime number is 5

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 37
• Digital Root 1

### Name

Name one billion four hundred fourteen million seven hundred sixty-six thousand four hundred thirty-three

### Interesting facts

• 1414766433 has 8 divisors, whose sum is 1890484768
• The reverse of 1414766433 is 3346674141
• Previous prime number is 457

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 39
• Digital Root 3

### Name

Name two hundred seventy-seven million six hundred sixty-seven thousand nine hundred sixty-four

### Interesting facts

• 277667964 has 64 divisors, whose sum is 876601440
• The reverse of 277667964 is 469766772
• Previous prime number is 233

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 54
• Digital Root 9