E Ellie J New member Jan 7, 2011 #1 use a compound forumla angle forumla to determine a trignometric expression that is equivalent to each of the following expression: a) sin(x-4pi/3) b)cos(x-5pi/4) c)sin(x+5pi/6) d)cos(x+4pi/3)
use a compound forumla angle forumla to determine a trignometric expression that is equivalent to each of the following expression: a) sin(x-4pi/3) b)cos(x-5pi/4) c)sin(x+5pi/6) d)cos(x+4pi/3)
