ivanivan4life
ivanivan4life ivanivan4life
  • 03-07-2020
  • Mathematics
contestada

cos(7π/6)= a. 1/2 b.-1/2 c.√3/2 d.-√3/2 Help please?

Respuesta :

Space
Space Space
  • 03-07-2020

Answer:

D. -√3/2

Step-by-step explanation:

Remember your unit circle.

Alternatively, you can plug in cos(7π/6) into your calc (Put it in rad mode) and calculate your answer.

Answer Link
Zoeygraciemae
Zoeygraciemae Zoeygraciemae
  • 03-07-2020

Answer:

D. -√3/2

Step-by-step explanation:

Answer Link

Otras preguntas

There are 23 classes in Holly's school. Each class has the same number of students. What is the total number of students in Holly@s school?
how did geography affect the ancient romans
Which endocrine gland controls the secretions of the pituitary gland? A. Thyroid B. Adrenal glands C. Pancreas D. Hypothalamus
what is the meaning of persecution
Donna makes a round pizza. She wants to put a cheese layer on the pizza. If the cake is 8 cm in diameter, how many square cm of cheese layer does she need to pu
Which sentence does not contain any errors in the use of italics or quotation marks? A.Lieutenant Smith spent a year aboard the aircraft carrier "USS Dwight D.
Your inspection of a house's _______ relates to the condition of the roof.
Write the following as a radical expression 132/5
What is the value of the expression 7–3? A. –21 B. Negative Exponents C. Negative Exponents D. 343
The atomic number of an atom is alwaysequal to the number of its. (1) protons, only. (2) neutrons, only. (3) protons plus neutrons. (4) protons plus electrons