V2 Let far cosar on 0 TT solve far Preview Preview Points po

V2 Let f(ar) cos(ar), on [0, TT), solve f(ar) Preview Preview Points possible: 1 This is attempt 1 of 3. Submit 2016 XYZ Homework Privacy Policy IADA Compliance PDFIContact xyzHomework is powered by IMathAS o 2006-2016 by David Lippman

Solution

solution : we have cosx = sqrt2/2

since cos 45= sqrt2/2

x= 45   also     cos 315= sqrt2/2

x= 315    so we got answer x= 45 ,315