Sebastian030
Sebastian030 Sebastian030
  • 01-03-2021
  • Mathematics
contestada

Verify the identity.

[tex]cos 4u = cos^{2} 2u - sin^{2} 2u[/tex]

Respuesta :

noahbucci
noahbucci noahbucci
  • 01-03-2021

Answer:

Yes, it is an identity

Step-by-step explanation:

Answer Link

Otras preguntas

Is y= 4.3x - 2 a linear equation?
Find the missing length. The triangles in each pair are similar.
A: a2 - 2ab + b2; if a = -3 and b = -4 B: 2m - n) ÷ (p - 3); if m = -2, n = 4, and p = -5
a boy runs a distance of 10m in 2secound and walks further a distance of 8m in 3secound,what is his overage speed?​
how many moles are in 5.34 x 10^24 particles of copper? ​
Martin slowly pours an unknown liquid into a container that originally had some water in it. He is measuring the temperature in the container as he does this.Th
what was the price of 1 candle before the sale
what is the slope help pls?
I need help solving for x
"When Hannah looked up again, she could see Viosk laid out at the far end of the meadow, picture- postcard pretty. Small houses nestled in a line, and the large