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Let A=[[1,sintheta,1],[sintheta,1,sinthe...

Let `A=[[1,sintheta,1],[sintheta,1,sintheta],[-1,-sintheta,1]]` where `0lt=thetalt=2pidot` Then `(a)D e t(A)=0` (b) `D e t(A) in (2,oo)` `D e t(A) in (2,4)` (d) `D e t(A) in [2,4]`

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Given,
`A=[[1,sintheta,1],[sintheta,1,sintheta],[-1,-sintheta,1]]`
`R_1=R_1+R_3`
`A=[[0,0,2],[sintheta,1,sintheta],[-1,-sintheta,1]]`
`A=2[[-sintheta,1],[-1,-sintheta]]`
...
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RD SHARMA-DETERMINANTS-Solved Examples And Exercises
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  12. If x , y , z are different from zero and [[1+x,1, 1],[ 1 ,1+y,1 ],[1 ,...

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  15. The maximum value of =[[1, 1, 1],[ 1, 1+sintheta,1],[ 1,1,1+costheta]...

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  17. Let f(x)=|cosx x 1 2sinx x2xsinx x x| , then (lim)(x->0)(f(x))/(x^2) i...

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