The values of θ lying between θ=0 and θ=π2 and satisying the equat – InterviewSolution

1.	The values of θ lying between θ=0 and θ=π2 and satisying the equation ∣∣∣∣∣1+sin2θcos2θ4sin4θsin2θ1+cos2θ4sin4θsin2θcos2θ1+4sin4θ∣∣∣∣∣=0 are
Answer» The values of $θ$ lying between $θ = 0$ and $θ = \frac{π}{2}$ and satisying the equation $∣ ∣∣∣ ∣ \begin{matrix} 1 + s i n^{2} θ & c o s^{2} θ & 4 s i n 4 θ s i n^{2} θ & 1 + c o s^{2} θ & 4 s i n 4 θ s i n^{2} θ & c o s^{2} θ & 1 + 4 s i n 4 θ \end{matrix} ∣ ∣∣∣ ∣ = 0$ are

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