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The value of det A, where A=((1,costheta...

The value of det A, where `A=((1,costheta,0),(-costheta,1,costheta),(-1,-costheta,1))` lies

A

in the closed interval [1 , 2]

B

in the closed interval [ 0,1 ]

C

in the open interval (0, 1)

D

in the open interval (1, 2)

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A
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(1-costheta)/(1+costheta)+(1+costheta)/(1-costheta)=

sqrt((1+costheta)/(1-costheta))=

costheta/(cosec theta+1)+costheta/(cosectheta-1)=2

(1+costheta)/(sintheta)=?

((1-sintheta+costheta)^(2))/((1+costheta)(1-sintheta))=?

Find the value of sqrt((1+costheta)/(1-costheta))+sqrt((1-costheta)/(1+costheta)) .

Prove that- (1-costheta)/(1+costheta)=(cosectheta-cottheta)^2

The value of (sintheta)/(1+costheta)+(sintheta)/(1-costheta) is :

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MTG-WBJEE-MATRICES AND DETERMINANTS -WB JEE PREVIOUS YEARS QUESTIONS (CATEGORY 1 : SINGLE OPTION CORRECT TYPE )
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  5. If A and B are two matrices such that AB=B and BA=A , then A^2+B^2=

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  7. If omegais an imaginary cube root of unity, then the value of the det...

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  8. If x , y and z be greater than 1, then the value of |{:(1, log(x)y, l...

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  9. If A is a 3x3 matrix and B is its adjoint matrix the determinant of B ...

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  12. The value of det A, where A=((1,costheta,0),(-costheta,1,costheta),(-1...

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  13. If |{:(- 1, 7 , 0),(2, 1, -3),(3, 4, 1):}| = A, then |{:(13, -11 , 5),...

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  14. If a^(r) = (cos 2 r pi + I sin 2 r pi )^(1//9) , then the value of |{:...

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  15. If Sr = |[2r,x,n(n+1)],[6r^2-1,y,n^2(2n+3)],[4r^3-2nr,z,n^3(n+1)]| the...

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  16. If the following three linear equations have a non-trivial solution , ...

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  17. Let A be a square matrix of order 3 whose all entries are 1 and let I(...

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  18. If M is any sauare matrix of order 3 over R and if M' be the transpose...

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  19. If A = ({:(5, 5x, x ),(0, x , 5x),(0, 0, 5):}) and |A^(2)| = 25 , the...

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  20. Let A and B be two square matrices of order 3 and AB = O(3) , where O(...

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