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

In the replace dialog box, clicking what button changes highlighted text

does the function y=4^-2x represent an exponential growth or decay? what is the percent rate of change?

What does the first stanza of "Some Keep the Sabbath Going to Church" suggest about the speaker’s view of religious customs? She does not believe in creating re

compare the first factor to the value of the product I did A B C but I don't understand D the question ANSWER FAST PLZ

This graph shows the division of wealth in the United States in 2010. Based on this graph, how much wealth did the top 20 percent of the population hold? A - Ab

What area in Europe became known as the powder keg?

Lithium has a relative atomic mass of 7. Bromine has a relative atomic mass of 80. A compound was found to contain 16g of lithium and 183g of bromine. What is t

Could someone help me find the equation and answer the question at the bottom too

If a bar of copper is brought near a magnet, the copper bar will be Pennfoster: A. attracted by the magnet. B. unaffected by the magnet. C. repelled by the m

Jeanne thinks that x+x is the same as x•x. Is this true? Why? Why not?