BITSAT 2022 Paper

Section: Mathematics

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Question : 116 of 130

Marks: +1, -0

If [

1	−tan‌θ
tan‌θ	1

][

1	tan‌θ
−tan‌θ	1

]−1=[

a	−b
b	a

], then

a=1,b=1
a=sin‌2θ,b=cos‌2‌θ
a=cos‌2‌θ,b=sin‌2θ
None of these

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