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Evaluate the following determinants. [[c...

Evaluate the following determinants. `[[costheta,sintheta],[sintheta,costheta]]`

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`[[costheta,sintheta],[sintheta,costheta]]=cos^2theta-sin^2theta=cos2theta`
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MBD PUBLICATION-DETERMINATES-QUESTION BANK
  1. Evaluate the following determinants. [[1,omega],[-omega,omega]]

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  2. Evaluate the following determinants. [[4,-1],[3,2]]

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  3. Evaluate the following determinants. [[costheta,sintheta],[sintheta,co...

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  4. Evaluate the following determinants. [[1,1,1],[1,1,1],[1,1,1]]

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  5. Evaluate the following determinants. [[1,0,0],[0,1,0],[0,0,1]]

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  6. Evaluate the following determinants. [[2,3,1],[0,0,0],[-1,2,0]]

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  7. Evaluate the following determinants. [[1,x,y],[0,sinx,siny],[0,cosx,c...

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  8. Evaluate the following determinants. [[1,2,3],[1,2,3],[3,4,5]]

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  9. Evaluate the following determinants.[[0.2,0.1,3],[0.4,0.2,7],[0.6,0.3,...

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  10. Evaluate the following determinants. [[1,omega,omega^2],[omega,omega^2...

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  11. Evaluate the following determinants. [[1,1,1],[2,2,2],[3,3,3]]

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  12. Evaluate the following determinants. [[-6,0,0],[3,-5,7],[2,8,11]]

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  13. Evaluate the following determinants. [[1,0,0],[2,3,5],[4,1,3]]

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  14. Evaluate the following determinants. [[-18,17,19],[3,0,0],[-14,5,2]]

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  15. State true or false. If the first and second rows of a determinant be ...

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  16. State true or false. If first and third rows of a determinant be inter...

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  17. State true or false. If in a third order determinant first row be chan...

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  18. State true or false. A row and a column of a determinant can have two ...

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  19. State true or false. The minor and the co-factor of the element a32 of...

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  20. State true of false. [[3,1,3],[0,4,0],[1,3,1]]=0

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