lynnlynnlynnn lynnlynnlynnn
  • 01-11-2021
  • Mathematics
contestada

Prove 8 sin^3 x cos x = 2 sin 2x - sin 4x​

Prove 8 sin3 x cos x 2 sin 2x sin 4x class=

Respuesta :

lynnkc2000 lynnkc2000
  • 01-11-2021

Answer:

steps below

Step-by-step explanation:

[tex]8sin^{3} x*cos x \\= 4sin^{2} x*2sin x cos x\\= 4sin^{2} x* sin 2x\\ = 2sin 2x*(2sin^{2} x)\\ = 2sin 2x*(1-(1-2sin^{2} x))\\ = 2sin 2x*(1-cos 2x)\\ = 2sin 2x - 2sin2x*cos 2x\\ = 2sin 2x - sin 4x[/tex]

Answer Link

Otras preguntas

Why did immigrants tend to group together in cities?
one way that animals adapt to seasonal change
Lauren bought 20 ounces of sliced ham. she used 3/4 of the ham to make sandwiches for her friends and 1/5 of the ham in an omelet. how many ounces of ham were l
reduce 15 1/4 +1 1/2 +3/20 to lowest term.
What is the value of 9P5? A. 45 B. 126 C. 15,120 D . 59,049 A cooking club has 12 members.How many ways can they select a president and vice presiden
A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumptio
What's the value of pi?
What does el muslo mean?
why did the framers give the power to congress rather than to the states?
what creates more friction aluminum foil, wax paper or plastic wrap