rahem61 rahem61

01-07-2017
Mathematics

contestada

the law of cosine is c2 = a2 + b2 – 2ab cos C. find the value of 2ab cos C

Respuesta :

Аноним Аноним

01-07-2017

add 2ab cos C to both sides of the '=':-

c2 + 2ab cos C = a2 + b2

now subtract c2 from both sides:-

2ab cos C = a2 + b2 - c2

Answer Link

cawinterf cawinterf

06-12-2020

Answer: 37

Step-by-step explanation:

Answer Link

Otras preguntas

With the bag of potatoes A phraseB clause

Help picture below problem 10

Read the excerpt from "a worn path." 'phoenix spoke unasked now. "no, missy, he not dead, he just the same. every little while his throat begin to close up agai

How much unexcused absenteeism is acceptable before a person is formally disciplined?.

What is the value of e? 1190 c a O A. 22° OB. 48° 0 C. 61° O D. 180°

Someone help with this i beg!

Explain how climate influences the distribution of biomes in different regions

Article: THE PROS AND CONS OF YOUTH SPORTS AREN'T ONLY PHYSICAL According to the author... society focuses on the risks of sports rather than the benefit of sp

The points on the graph below represent both an exponential function and a linear function. Complete this table by reading the values from the graph. Estimate a

Determine the point estimate of the population mean and margin of error for the confidence interval with lower bound 19 and upper bound: 27.