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

example of onomatopoeia in the seven ages of man

Solve the quadratic by factoring 2X²-2X-12=0

why dog pants during summer use the cocept of evaporation

what do I do to figure out this problem:3x+8=26+x

What's the other word generous in overlooking insult or injury by others; rising above pettiness

what is 12minus 2 multiply 6 plus 2 divide by 2

How to find the reference angle of -11pi/3 ?

what we need to become success

What's the other word generous in overlooking insult or injury by others; rising above pettiness

What's the other term for: lacking respect; scornful