[1249],[" If "2sin^(2)(u-pi/3)-5sin(n-pi/3)+2<0" then "x in]

If 2 sin^(2)(x-(pi)/(3))-5sin(x-(pi)/(3))+2lt0 , then belongs to

If 2 sin^(2)(x-(pi)/(3))-5sin(x-(pi)/(3))+2lt0 , then belongs tp

If 2 sin^(2)(x-(pi)/(3))-5sin(x-(pi)/(3))+2lt0 , then belongs tp

The inequation 2sin^(2)(x-(pi)/3)-5sin(x-(pi)/3)+2gt0

sin((2 pi)/(3)+(2 pi)/(3))

The value of the determinant |(sintheta, costheta, sin2theta) , (sin(theta+(2pi)/3), cos(theta+(2pi)/3), sin(2theta+(4pi)/3)) , (sin(theta-(2pi)/3), cos(theta-(2pi)/3), sin(2theta-(4pi)/3))|

The value of 2 sin (pi/8) sin((2pi)/8) sin((3pi)/8) sin ((5pi)/8) sin ((6pi)/8) sin((7pi)/8) is :

sin^(2)(pi)/(4)+sin^(2)(3 pi)/(4)+sin^(2)(5 pi)/(4)+sin^(2)(7 pi)/(4)=2