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.
Tap for more steps...
Simplify each term.
Tap for more steps...
Move to the left of .
Multiply by by adding the exponents.
Tap for more steps...
Move .
Multiply by .
Tap for more steps...
Raise to the power of .
Use the power rule to combine exponents.
Add and .
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 one hundred ninety-two million three hundred ninety-one thousand one hundred sixty-seven

Interesting facts

  • 192391167 has 4 divisors, whose sum is 256521560
  • The reverse of 192391167 is 761193291
  • Previous prime number is 3

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 39
  • Digital Root 3

Name

Name one billion nine hundred sixty-four million six hundred thirty-five thousand eight hundred sixty-three

Interesting facts

  • 1964635863 has 8 divisors, whose sum is 2625198576
  • The reverse of 1964635863 is 3685364691
  • Previous prime number is 461

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 51
  • Digital Root 6

Name

Name two hundred thirty-nine million seven hundred thirty-seven thousand eight hundred fifty-two

Interesting facts

  • 239737852 has 32 divisors, whose sum is 545771520
  • The reverse of 239737852 is 258737932
  • Previous prime number is 167

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 46
  • Digital Root 1