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If A(alpha)=[(cos alpha, sin alpha),(-si...

If `A(alpha)=[(cos alpha, sin alpha),(-sin alpha, cos alpha)]`, then `A(alpha)A(beta)=`

A

`A(alpha)-A(beta)`

B

`A(alpha)+A(beta)`

C

`A(alpha-beta)`

D

`A(alpha+beta)`

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-APPENDICES (REVISION EXERCISE)-ALGEBRA OF MATRICES
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