shakirabreeding shakirabreeding

02-04-2018
Mathematics

contestada

The law of cosines a2+b2-2abcosC=c2. Find the value of 2abcosC.

The law of cosines a2b22abcosCc2 Find the value of 2abcosC class=

Respuesta :

sqdancefan sqdancefan

02-04-2018

2ab·cos(C) = a² +b² -c²
.. = 4² +3² -2²
.. = 16 +9 -4
.. = 21 . . . . . . . matches selection B

Answer Link

drrpepper drrpepper

26-10-2020

Answer:

b 21

Step-by-step explanation:

Answer Link

Otras preguntas

When different people are witness to a crime or accident, it's common for them to:?

Which species is an induced ovulator? a. caprine b. canine c. feline d. equine?

why can exercising outdoors be a particularly dangerous time for your lungs

Which type of essay is Amy Tan's "Mother Tongue"?persuasiveregionalbiasreflective

combine terms 12a+26b-(4b+16a)

How far does light travel in the time it takes sound to travel 1 cm in air at 20°c?

How did Vladimir Putin gain power in Russia in 2000?

Will give brainliest!!!!!!!!! Many people consider research papers challenging and profoundly dry. If you could write a research paper about any topic, in any m

Which word would come after the word refuse in an alphabetical list? A. regular B. reduce C. rebel D. recall

Why is pure oxygen stored as a liquid under pressure? It is highly flammable. It will change to ozone. It irritates the eyes and skin. It is toxic to breathe.