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

a glass jar which is kept in freezing mixture but is in broken because

Which aspect of the American Revolution was used in the Haitian Revolution? O expanding territory into Native American lands O needing a war in order to achieve

yanıt yayınları, 8. sınıf 20 dakikada türkçe soru bankası cevap anahtarı

2. Which of the following is not a product of photosynthesis? oxygen glucose chemical energy water

2(4w-1)=-10(w-3)+4 help

i will mark brainliest please help me with this question

1: A man standing on the South Pole of the Earth drops a ball. Mike thinks that the ball will move away from the Earth and Maria thinks that the ball will move

Eight decreased by three times the sum of a number and six Write as an algebraic expression

What does CRUD programming means and why do we need to learn it?

how does starting your period physically change you