uhhelucidate
uhhelucidate uhhelucidate
  • 25-08-2020
  • Mathematics
contestada

What is the exact value of cos(-60°)?​

Respuesta :

eunice1234
eunice1234 eunice1234
  • 25-08-2020

Answer: 1/2

Step-by-step explanation:

cosine=adjacent/hypotenuse

Cos (-60)=1/2

This is a special triangle

see below as the ratio of each side

Hope this helps!! :)

Please let me know if you have any question

Ver imagen eunice1234
Answer Link
wong2 wong2
  • 25-08-2020
cos (-60) = 1/2

If you look at the cosine graph below you can see the black line pointing at 60 degrees is at 0.5, which is 1/2
Ver imagen wong2
Answer Link

Otras preguntas

If the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its center point is:
Consider the function represented by9x+3y=12 with x as an independent variable How can the function be written using function notation
How did Puritan beliefs affect government in New England during the 1600s? Ministers held most of the important government positions. Only male church members w
What is the charge of the chromium ion in the compound crf3?
The molecule responsible for first capturing the radiant energy from sunlight
What is equivlabt to 0.001
What is a component of a social goal
Tamara is creating a model of a rectangle. she has 26 inches of yellow ribbon to use for the border of the rectangle. she wants the length, l, to be 3 inches gr
Which of the following is an important goal of European unification?
Writing in the active voice will allow you to A. use the verb "to be." B. write longer sentences. C. write more lively sentences. D. emphasize the subj