If `A = [[cosalpha,-sinalpha],[sinalpha,cosalpha]]` then `A A'= I`, if the value of `alpha` is

If A=[[cosalpha, sinalpha], [-sinalpha, cosalpha]] , then A^(10)=

if A=[[cosalpha,sinalpha],[-sinalpha,cosalpha]] be such that A+A'=I then alpha

If A_(alpha)=[(cosalpha,-sinalpha),(sinalpha,cosalpha)] , then

If A=[{:(cosalpha,-sinalpha),(sinalpha,cosalpha):}] , then find the least value of alpha for which A+A'=I.

A = [ [ cosalpha , sinalpha ], [ sinalpha , cosalpha ] ] ,then find | A |

If A=[{:(cosalpha,sinalpha),(-sinalpha,cosalpha):}] , show that A'A=I.

If A=[[cosalpha, sinalpha], [-sinalpha, cosalpha]] and A(adjA)=[[k, 0], [0, k]] , then k=

If (i) A=[[cosalpha,sinalpha],[-sinalpha,cosalpha]] , then verify that AprimeA" "=" "I . (ii) A=[[sinalpha,cosalpha],[-cosalpha,sinalpha]] , then verify that AprimeA" "=" "I .