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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

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

B

`8cos^(3)theta-4costheta+6`

C

`(2sin2theta)/(sintheta)`

D

`8cos^(3)theta+4costheta+6`

Text Solution

Verified by Experts

The correct Answer is:
B
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