The number of distinct real roots of `|s in x cos x cos x cos x s in x cos x cos x cos x s in x|=0` in the interval `-pi/4lt=xlt=pi/4` is `0` b. `2` c. `1` d. `3`

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 (pi)/4 is

The number of distinct real roots of the equation |cosx s in x s in x s in x cos x s in x s in x s in x cos x|=0 in the interval [-\ pi/4,pi/4] is- a. 3 b. \ 4 c. \ 2 d. 1

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 :

The number of distinct solution of cos(x)/(4)=cos(x) in x in [0,24 pi] is

The number of solutions of sin^(4)x+cos^(4)x=sin x cos x in [0,2 pi] is/are

The total number of solution of sin^(4)x+cos^(4) x= sin x cos x in [0, 2pi]