shakirabreeding
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 sqdancefan
  • 02-04-2018
2ab·cos(C) = a² +b² -c²
.. = 4² +3² -2²
.. = 16 +9 -4
.. = 21 . . . . . . . matches selection B
Answer Link
drrpepper
drrpepper drrpepper
  • 26-10-2020

Answer:

b 21

Step-by-step explanation:

Answer Link

Otras preguntas

“like a journey with no end” this is a simile but what is this comparing
Smita types 5400 words per hour. How many words does she type per minute?
Who can appropriately use the DSM? Select all that apply. graduate students studying the social sciences mental health professionals psychiatrists anyone who ha
Pretest: Unit 2 Question 34 of 45 If WXWZ, which of the following statements CANNOT be true?
Can someone help me??
Suppose a state passes a minimum wage law that increases the minimum wage from $5/hour to $20/hour. The equilibrium wage prior to the minimum wage hike was $10/
Compare and contrast The Solar Nebula Hypothesis and The Big Bang theory.​
helo please thank you brainiest given to the best answer
What errors did the chemistry teacher make in planning to this demonstration and how could checking her work have made a difference? *THERE ARE A TOTAL OF 4 ERR
Why do you think it is important to group substances and mixtures based on their classifications or uses?