if [cos2pi/7 -sin2pi/7]^k [sin2pi/7 cos2pi/7]^k = [1 0] [1 0] find the least positive integral value ok k Share with your friends Share 1 Brijendra P. answered this Refer the link:https://www.meritnation.com/ask-answer/question/if-matrix-cos2pi-7-sin2pi-7-sin2pi-7-cos-2pi-7/matrices/7263551 -5 View Full Answer