A. {nπ ± π/3: n ε Z}
B. {nπ ± π/4: n ε Z}
C. {nπ ± π/6: n ε Z}
D. {nπ ± n: n ε Z}
If tan2 θ=3 cosec2 θ-1 then θ=
The domain of Cos-1 (4x-9) is
If tan (cot x) = cot (tan x), then sin 2x=
If 4 cos θ.cos (1200+ θ). Cos (1200- θ)=1/2 then θ=
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If the roots of a(b-c)x2+b(c-a)x+c(a-b)=0 are equal,then a,b,c are in
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