[" det "A=0-tan alpha],[qquad [(tan alpha)/(2)0],[" show that: "],[(I+A)=(I-A)[[cos alpha,-sin alpha],[sin alpha,cos alpha]]]

If A=[(0, -tan""(alpha)/(2)),(tan""(alpha)/(2),0)] , then show that (I+A) =(I-A) [(cos alpha, - sin alpha),(sin alpha, cos alpha)] , where I is the identity matrix of order 2.

If A=,[[0,-tan((alpha)/(2))]tan((alpha)/(2)),0]], then I+A=(I-A)[[cos alpha,-sin alphasin alpha,cos alpha]]

A=[[0,-tan((alpha)/(2))tan((alpha)/(2)),0]]then(I-A)[[cos alpha,-sin alphasin alpha,cos alpha

If A = [[0,-tan alpha/2],[tan alpha/2,0]] and I is the identity matrix of order 2, show that I + A = (I - A)[[cos alpha,-sin alpha],[sin alpha,cos alpha]]

If A=[(0,-tan (alpha/2)),(tan (alpha/2),0)] and I is 2 xx 2 unit matrix, then (I-A)[(cos alpha,-sin alpha),(sin alpha, cos alpha)] is

If A=[(0,-tan (alpha/2)),(tan (alpha/2),0)] and I is 2 xx 2 unit matrix, then (I-A)[(cos alpha,-sin alpha),(sin alpha, cos alpha)] is

If A=[(0,-tan (alpha/2)),(tan (alpha/2),0)] and I is 2 xx 2 unit matrix, then (I-A)[(cos alpha,-sin alpha),(sin alpha, cos alpha)] is

If A=[(0,-tan alpha),(2,tan alpha),(2,0)] and I is 2 xx 2 unit matrix, then (I-A)[(cos alpha,sin alpha),(sin alpha, sin alpha)] is (a) -I+A (b) I-A (c) -I-A (d) non of these

If A,=[[cos alpha,sin alpha-sin alpha,cos alpha]] then show that ,A^(2)=[[cos2 alpha,sin2 alpha-sin2 alpha,cos2 alpha]]