Register

What is the value of cos-1(-1/2)

What is the value of cos-1(-1/2)
55.4k views
4 votes
What is the value of cos-1(-1/2)

User Theo Strauss
by
8.2k points

2 Answers

4 votes

Answer:

2pi/3

Explanation:

PLATO ANSWER

User Jonnny
by
7.9k points
6 votes

Answer:

120 degrees or 2 pi/3

Explanation:

cos ^ -1 (-1/2)


Using the unit circle, we look for the x value of -1/2. Cos is the x value, sin is the y value. We find -1/2 at 120 degrees or 2 pi/3


What is the value of cos-1(-1/2)-example-1
User The Student Soul
by
8.3k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!