Unformatted text preview: c 2 = a 2 + b 2 ! 2 ab cos C sin( ! x ) = ! sin x cos( ! x ) = cos x cos 2 x = 1 + cos2 x 2 sin 2 x = 1 ! cos2 x 2 [these two for 16B and 21B]...
View Full Document
This note was uploaded on 06/23/2010 for the course MATH math16 taught by Professor Na during the Spring '10 term at UC Riverside.
- Spring '10