x^(2)-x-156

If f(x)=sqrt(x^(2)-3x+6) and g(x)=(156)/(x+17) , then what is the value of g(f(4)) ?

P(x)= (x-cos36^@)(x-cos84^@)(x-cos156^@) then coefficient of x^2 is

P(x)=(x-cos36^(@))(x-cos84^(@))(x-cos156^(@)) then coefficient of x^(2) is

P(x)=(x-cos36^(@))(x-cos84^(@))(x-cos156^(@) The coefficient of x^(2) is

The equations of the directrices of 16x^(2) + 25y^(2) - 96x - 100y - 156 = 0 are

The equation of the major axis of 25x^(2) + 16y^(2)-100x - 96y - 156 = 0 is

If y = mx + 4 is a tangent to the ellipse x^2/25+y^2/4=1 , then 625m^4+25m^2-156 is equal to

Consider the equation tan^(2)(cos sqrt(4pi^(2)-x^(2)))-4a tan (cos sqrt(4pi^(2)-x^(2)))+2+2a=0,a being a parameter. (Given tan1=1.56) If a=1/2 then the number of distinct real roots of the equation is