# Expand Using Sum/Difference Formulas cos(45)

Expand Using Sum/Difference Formulas cos(45)
The angle is an angle where the values of the six trigonometric functions are known. Because this is the case, add to keep the value the same.
Use the sum formula for cosine to simplify the expression. The formula states that .
The exact value of is .
The exact value of is .
The exact value of is .
The exact value of is .
Simplify each term.
Multiply by .
Multiply by .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Do you know how to Expand Using Sum/Difference Formulas cos(45)? 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 three hundred ninety-four million six hundred forty-eight thousand six hundred twenty-five

### Interesting facts

• 394648625 has 16 divisors, whose sum is 428763456
• The reverse of 394648625 is 526846493
• Previous prime number is 43

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 47
• Digital Root 2

### Name

Name one hundred ten million six hundred twenty-three thousand nine hundred ninety-six

### Interesting facts

• 110623996 has 32 divisors, whose sum is 293640192
• The reverse of 110623996 is 699326011
• Previous prime number is 31

### Basic properties

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

### Name

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

### Interesting facts

• 1859306583 has 8 divisors, whose sum is 2484454896
• The reverse of 1859306583 is 3856039581
• Previous prime number is 461

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 48
• Digital Root 3