Solve without using a calculator or tables
cos(5pi/6 + pi/4)
Thank you Reiny!:)
Jonathan in
http://www.jiskha.com/display.cgi?id=1209673617
had a very similar question.
Follow that method, I am sure you can handle it.
cos(5pi/6 + pi/4)
Thank you Reiny!:)
http://www.jiskha.com/display.cgi?id=1209673617
had a very similar question.
Follow that method, I am sure you can handle it.