KCET 2023 Math Solved Paper

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Question : 11 of 60

Marks: +1, -0

If A=[

1

tan‌

α

2

−tan‌

α

2

1

] and AB=I then B=

cos2
α
2
.I
sin‌2
α
2
.A
cos2
α
2
⋅AT
cos2
α
2
.A

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