Determining compositions of trig functions by knowing Euler's identity etc – math.stackexchange.com

Determining compositions of trig functions by knowing Euler's identity etc – math.stackexchange.com

21:52 No Comments
How does one determine: $$\cos^2(\arctan(x))?$$ I know what it is equal to, since its in the tables. But without working with many trigonometric identities, its not clear how to find such things. ...

from Hot Questions - Stack Exchange OnStackOverflow
via Blogspot

Share this

Unknown

Artikel Terkait

0 Comment to "Determining compositions of trig functions by knowing Euler's identity etc – math.stackexchange.com"

Post a Comment

Subscribe to: Post Comments (Atom)