lamasangye789 lamasangye789

09-08-2021
Mathematics

contestada

how prove the following
cos²(120°-A) + cos²A + cos²(120°+A)= 3/2

Respuesta :

jasongggg jasongggg

09-08-2021

Answer:

Sorry if it is not clear enough

Ver imagen jasongggg

Answer Link

Otras preguntas

10 times as much as 80

8 - 3x = 17 Solve the equation

If a scientific theory changes, does this mean that it was not a good theory to begin with?

what is -7.08 as a fraction

56 divided by 4321 showing work

Sugar is stirred into water to forma a solution. In this case, what names do we give to the sugar and water?

What are wandering or roving tribes called? The answer has to be six letters long.

One societal issue that scientists will be able to address using the sequence of the human genome?

round 6,589 to the nearest thousand

How did General Grant’s total war strategy affect the presidential election of 1864?