If sin A=sin B and cos A=cos B then A=

If tan θ + tan 2θ+ √3 tan θ tan 2θ=√3 then θ=

If y=tan x cot 3x,xR,then

If α, β, γ are the angles made by a line with x, y, z axes in positive directions then the range of cos α cos β+ cos β cos γ+cos γ cos α is

If tan θ+tan (60⁰+θ) tan (120⁰+θ) =3, then θ=

If sin θ=-7/25 and  is not in the first quadrant, then (7cot θ -24 tan θ) / (7cot θ+24 tan θ) =

If tan A,tan B are the roots of x²-px+q=0,the value of sin²(A+B) is

The equation cos⁴x-(a+2)cos²x-(a+3) =0 possesses a solution if

If 4 sin x.sin 2x.sin 4x=sin 3x then x=

If tan (πcos x) = cot (π sinx) then cos(x-π/4) =