iamhellokempstere79 iamhellokempstere79
  • 04-08-2021
  • Mathematics
contestada

PLEASE HELP! URGENT. the law of cosines is a2+b2-2abcosC=c2. Find the value of 2abccosC.

PLEASE HELP URGENT the law of cosines is a2b22abcosCc2 Find the value of 2abccosC class=

Respuesta :

Аноним Аноним
  • 04-08-2021

Answer:

D

Step-by-step explanation:

2ab*cos(C)=a^2+b^2-c^2

2ab*cos(C)=5^2+4^2-2^2=25+12=37

Answer Link
Morax420 Morax420
  • 20-10-2021

Answer:

The answer is 37

Step-by-step explanation:

Answer Link

Otras preguntas

concert The following measurement​
4. Find only the two exponential polynomials 3x²- x-4. And check the correctness of the relationships between digits and coefficients:​
There are 70 new houses being built in a neighborhood. Last month, 2/5 of them were sold. This month, 2/7 of the remaining houses were sold. How many houses are
nutuk kitabı özet örneği
When you check your pots and pans in your kitchen you will see that the most of Them are made of stainless steel or Aluminum.​
What is the distance between 120-130 on a number line?
Are my answers correct?
0.9 rounded to the thousandths place
Solve (x + 1)2 – 4(x + 1) + 2 = 0 using substitution. u = x 4(x +1) x +1 (x + 1)2 Select the solution(s) of the original equation.
nutuk kitabı özet örneği