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The number of distinct real roots of |(s...

The number of distinct real roots of `|(sinx, cosx, cosx),(cos x,sin x,cos x),(cos x,cos x,sin x)|=0` in the interval `-(pi)/4 le x le t (pi)/4` is

A

0

B

2

C

1

D

`gt ` 2

Text Solution

Verified by Experts

The correct Answer is:
C
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