ma1495448
ma1495448 ma1495448
  • 01-07-2017
  • Mathematics
contestada

Prove that: sin^3A+ sin^3(120+A) +sin^3(240+A)= -3/4 sin3A

Respuesta :

mjriedel19osc9u0 mjriedel19osc9u0
  • 01-07-2017
sin^3A+ sin^3(120+A) +sin^3(240+A)= -3/4 sin3A= Sin /\ 4/5A+ Sin/\2 because u talk half of it then... (120 +a {A= 2} =122) Hope this helps
Answer Link

Otras preguntas

PLEASE HELP! Which lines are perpendicular?
Justin bought 9 packs of trading cards each pack of cards cost $3.27 what was the total cost for all nine packs
The United States imposes a tariff on electronics imported from China. Which would be a result? A. Electronics trade with China increases B. U.S. consu
our existing body of scientific knowledge was developed
It takes 8 minutes for sue to make 2 laps around the go-kart track. how many laps can sue complete in 24 minutes
Which point is an x-intercept of the quadratic function f(x) = (x – 4)(x + 2)?
Who spoke against British rule in colonial times? A. Isaac Newton B. John Henry C. John Townshend D. Cotton Mather
what made the island of cuba so important to the unites states
Who scribes painted books and kept records of taxes
Read the section titled "Solar Power." What are some of the benefits of using solar energy? (Site 1)