If m=[{:(1,0),(0,1):}] and n=[{:(0,1),(-...

If `m=[{:(1,0),(0,1):}] and n=[{:(0,1),(-1,0):}]`, then what is the value of the determinant of `m cos theta - n sin theta` ?

A

A) -1

B

B) 0

C

C) 1

D

D) 2

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If I= [{:(,1,0),(,0,1):}], J=[{:(,0,1),(,-1,0):}]and B=[{:(,cos theta,sin theta),(,-sin theta,cos theta)]:}"then B"=

A

`Icos theta+J sin theta`

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If I = ((1,0),(0,1)), J = ((0,1),(-1,0)) and B = ((cos theta , sin theta),(-sin theta, cos theta)) then B equals

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`(cos theta ) I +(sin theta) J`

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