AP EAMCET Engineering 18 Sep 2020 Shift 1 Paper

Section: Mathematics

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Question : 20 of 160

Marks: +1, -0

A=[

cos

π

4

sin

π

4

0

−sin

π

4

cos

π

4

0

0

0

1

]
B=[

1

0

0

0

cos

π

3

sin

π

3

0

−sin

π

3

cos

π

3

]
C=[

cos

π

6

0

sin

π

6

0

1

0

−sin

π

6

cos

π

6

0

]
D=[

cos

π

2

sin

π

2

0

−sin

π

2

cos

π

2

0

0

0

1

]

A2020=I
B2020=I
AD2019=I
B2022=I

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