For A = \(\left[ {\begin{array}{*{20}{c}} 1&{\tan x}\\ { - \tan x}&1 – McqOptions

MCQOPTIONS

1.	For A = \(\left[ {\begin{array}{*{20}{c}} 1&{\tan x}\\ { - \tan x}&1 \end{array}} \right]\), the determinant of ATA-1 is:
A.	sec2 x
B.	cos 4x
C.	1
D.	0
Answer» D. 0

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