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If C = 2 cos theta, then the value of th...

If `C = 2 cos theta`, then the value of the determinant `Delta = |(C,1,0),(1,C,1),(6,1,c)|`, is

A

`(sin 4 theta)/(sin theta)`

B

`(2 sin^(2) 2 theta)/(sin theta)`

C

`4 cos^2 theta 2 cos theta-1`

D

none of these

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IPUCET PREVIOUS YEAR PAPERS-GGSIPU MATHEMATICS 2004-MCQ
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