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The number of distinct real roots of the...

The number of distinct real roots of the equation, `|(cos x, sin x , sin x ),(sin x , cos x , sin x),(sinx , sin x , cos x )|=0` in the interval `[-pi/4,pi/4]` is :

A

1

B

4

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
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