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

when two air masses of different temperatures come together, they can cause a

Explain how heat is transferred inside the earth through convection currents

Angie read 3 books in 5 days, and each book contained 335 pages. If Angie read the same number of pages each day, how many pages did she read per day? 751,0052

What is 6.95 to one decimal place? I know how to round to the nearest tenth but if you round this,it just goes to a whole number!

what are some facts about angiosperms

Please help me with this question (5y + 2)2 − 96 = 0

In previewing a magazine, what's likely to be the first step you take

What is a well-mixed mixture that contains a solvent and at least one solute

What's the rationale for adopting the US dollar as "legal tender" in Argentina?

what is the standard form of the parabola whose vertex form is Y=-(X-3)^2+11