Verify the Identity sin(3x)=(sin(x))(4cos(x)^2-1)

Verify the Identity sin(3x)=(sin(x))(4cos(x)^2-1)
Start on the right side.
Apply Pythagorean identity in reverse.
Apply the distributive property.
Simplify each term.
Apply the distributive property.
Simplify.
Simplify each term.
Move to the left of .
Multiply by by adding the exponents.
Move .
Multiply by .
Raise to the power of .
Use the power rule to combine exponents.
Move to the left of .
Move to the left of .
Rewrite as .
Subtract from .
Apply the sine triple-angle identity.
Because the two sides have been shown to be equivalent, the equation is an identity.
is an identity
Do you know how to Verify the Identity sin(3x)=(sin(x))(4cos(x)^2-1)? 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 sixty-eight million four hundred thirty thousand one hundred ninety-seven

Interesting facts

• 68430197 has 4 divisors, whose sum is 74651136
• The reverse of 68430197 is 79103486
• Previous prime number is 11

Basic properties

• Is Prime? no
• Number parity odd
• Number length 8
• Sum of Digits 38
• Digital Root 2

Name

Name three hundred eighty-two million forty-four thousand nine hundred twenty

Interesting facts

• 382044920 has 32 divisors, whose sum is 1547282088
• The reverse of 382044920 is 029440283
• Previous prime number is 5

Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 32
• Digital Root 5

Name

Name one billion six hundred seventy-six million nine hundred forty-nine thousand seven hundred thirty-eight

Interesting facts

• 1676949738 has 16 divisors, whose sum is 3357984576
• The reverse of 1676949738 is 8379496761
• Previous prime number is 823

Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 60
• Digital Root 6