Solved

is cos(arccos(t))  = t ??

Posted on 2007-03-17
4
896 Views
Last Modified: 2008-01-09
i working on some partial derivatives and ran into

cos(arccos(t))

is it equal to t ?

also is it correct to say arccos(cos(t)) = t ??

any ideas?
0
Comment
Question by:c_hockland
  • 3
4 Comments
 
LVL 84

Expert Comment

by:ozo
Comment Utility
It could also be -t or t+2pi
0
 
LVL 84

Expert Comment

by:ozo
Comment Utility
cos(arccos(t)) = t
arccos(cos(t)) = n*2*pi ± t
0
 

Author Comment

by:c_hockland
Comment Utility
having said that ,

tan(arctan(t)) = t right ?

thanks Ozo.
0
 
LVL 84

Accepted Solution

by:
ozo earned 500 total points
Comment Utility
yes
0

Featured Post

Enabling OSINT in Activity Based Intelligence

Activity based intelligence (ABI) requires access to all available sources of data. Recorded Future allows analysts to observe structured data on the open, deep, and dark web.

Join & Write a Comment

Suggested Solutions

Title # Comments Views Activity
find distance using springs and slopes 23 129
Maths questions 3 61
How to solve this equation 3 47
Proportion 4 38
How to Win a Jar of Candy Corn: A Scientific Approach! I love mathematics. If you love mathematics also, you may enjoy this tip on how to use math to win your own jar of candy corn and to impress your friends. As I said, I love math, but I gu…
We are taking giant steps in technological advances in the field of wireless telephony. At just 10 years since the advent of smartphones, it is crucial to examine the benefits and disadvantages that have been report to us.
Sending a Secure fax is easy with eFax Corporate (http://www.enterprise.efax.com). First, Just open a new email message.  In the To field, type your recipient's fax number @efaxsend.com. You can even send a secure international fax — just include t…
This video discusses moving either the default database or any database to a new volume.

743 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

16 Experts available now in Live!

Get 1:1 Help Now