Click here to watch the video Use identities to find values of the sine and cosine functions for the angle measure e given that cos 20 12 13 and 90 0 180 CRED 26 sin 0 26 Simplify your answer including any radicals Use integers or fractions for any numbers in the expression Rationalize all denominators cos 13 Simplify your answer including any radicals Use integers or fractions for any numbers in the expression Rationalize all denominators