If the shortest distance between `2y^(2)-2x+1=0` and `2x^(2)-2y+1=0` is d then the number of solution of `|sin alpha|=2sqrt2 d(alpha in [-pi, 2pi])` is.

find the number of solution of sin^(2) x-sin x-1=0 in [-2pi, 2pi] .

find the number of solution of sin^(2) x-sin x-1=0 in [-2pi, 2pi] .

Let alpha be a solution of tan x+sin2x=sec x and alpha in[-2 pi,2 pi] ,then

If the shortest distance between the lines (x-1)/(alpha)=(y+1)/(-1)=(z)/(1) and x+y+z+1=0=2x-y+z+3 is (1)/(sqrt(3)) then value of alpha

The value of int_(0)^((pi)/(2))sin|2x-alpha|dx, where alpha in[0,pi], is

Statement -1 the solution of the equation (sin x)/(cos x + cos 2x)=0 is x=n pi, n in I Statement -2 : The solution of the equation sin x = sin alpha , alpha in [(-pi)/(2),(pi)/(2)] x={npi+(-1)^(n)alpha,n in I}

Statement -1 the solution of the equation (sin x)/(cos x + cos 2x)=0 is x=n pi, n in I Statement -2 : The solution of the equation sin x = sin alpha , alpha in [(-pi)/(2),(pi)/(2)] x={npi+(-1)^(n)alpha,n in I}

If (pi)/(2)

If (sin alpha)x+y+sin^(2)alpha=0.(sin alpha)x-(2sin a)y+1=0 and x+6y=0 are three concurrent lines,then numberof values of alpha in [0,pi] is

If x^(2)-2cos alpha x+1=0 and y^(2)-2cos alpha y+1=0 then 2cos(alpha+beta)=