I understand this to be the arc cosine of the cosine of 16pi/5. Since cosine and arc cosine are inverse functions, we get back the original value as our answer. That would be 16pi/5.
Matthew P.
asked • 04/19/16cos^-1(cos16pi/5)
find the exact value of cos^-1(cos16pi/5). i do not understand how to derive from unit circle
Follow
•
2
Add comment
More
Report
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
