6. Simplify cos theta[ matrix cos theta&sin theta\\ -sin theta&cos theta matrix ]+sin theta[ matrix sin theta&-cos theta\\ cos theta&sin theta matrix ]
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Appropriate Question :
Simply the following :
Answer :
The resulting matrix is a unit matrix of order 2 x 2.
Step by Step Explanation :
which is a unit matrix of order 2 x 2.
Concepts Used :
- If any constant or variable is in multiplication with whole matrix then resulting Matrix contains elements of of initial Matrix with multiplied constant or variable.
- Addition of two Matrix and addition of corresponding elements of two matrix is a same process.
Answered by
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Step-by-step explanation:
given :
- Simplify cos theta[ matrix cos theta&sin theta\\ -sin theta&cos theta matrix ]+sin theta[ matrix sin theta&-cos theta\\ cos theta&sin theta matrix
to find :
- matrix sin theta&-cos theta\\ cos theta&sin theta matrix ]
let us do it :
- please check the attached file please
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