netflixacc0107
netflixacc0107 netflixacc0107
  • 02-04-2019
  • Mathematics
contestada

Evaluate cos^2 (n/12)

Evaluate cos2 n12 class=

Respuesta :

calculista
calculista calculista
  • 04-04-2019

Answer:

[(2 + √3)/4] = 0.9330127

Step-by-step explanation:

We know that

cos (pi/12) ^ 2 =

cos (pi/12)* cos (pi/12)  =

[(√6 + √2)/4]*[(√6 + √2)/4] =

(0.9659)*(0.9659) = 0.9330127

[(2 + √3)/4] = 0.9330127

Answer Link

Otras preguntas

Bryson buys a bag of 64 plastic miniature dinosaurs . could he distribute them equally into six storage containers and not have any left over?explain .
3 classmates share 2 granola bars equally. How much does each classmate get?
which is not an improper fraction equal to 8?
What does "I have a soul of lead" mean in shakespeare?
how do you say goodbye in Chinese
which element has an atom in the ground state with a total of three valence electrons
Craig just finished reading 120 pages of his history assignment if the assignment is 125 pages what percent has Craig read so far?
MATH HELP ASAP PLEASE
Comprehend how development of life-long positive nutrition and wellness behaviors occur.
Thirty is 12% of what number ?