J Jacqueline MArchesseault New member Feb 23, 2011 #1 Without a calculator how do you solve this problem: a) cos (17?/6) b) cos (-17?/6) c) sin (17?/6) d) sin (-17?/6)
Without a calculator how do you solve this problem: a) cos (17?/6) b) cos (-17?/6) c) sin (17?/6) d) sin (-17?/6)