If `A=[{:(cosx,sinx),(-sinx,cosx)]` then find |A|

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

If A=[(cosx,sinx),(-sinx,cosx)] , show that A^(2)=[(cos2x,sin2x),(-sin2x,cos2x)] and A^(1)A=1 .

int (2cosxdx)/(sinx+cosx)

Expand | (cosx, -sinx),(sinx , cosx)|

If F(x)=[(cosx,-sinx,0),(sinx,cosx,0),(0,0,1)] , show that F(x) F(y)=F(x+y) .

int (2sinxdx)/(sinx +cosx) =

If y=(sinx+cosx)/(sinx-cosx) , then (dy)/(dx) at x=0 is :

If y=(sinx)^cosx , then find (dy)/(dx) .

If y="tan"^(-1)((cosx-sinx)/(cosx+sinx)) , then (dy)/(dx)=

If Delta(x)=|(1,cosx,1-cosx),(1+sinx,cosx,1+sinx-cosx),(sinx, sinx ,1)| then int_0^(pi//2)Delta(x) dx is equal to :

The number of distinct real roots of |(sinx,cosx,cosx),(cosx, sinx,cosx),(cosx,cosx,sinx)|=0 in the interval (-pi)/4lexlepi/4 is :