InterviewSolution
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If ∣∣∣∣∣1+sin2θcos2θ4sin4θsin2θ1+cos2θ4sin4θsin2θcos2θ1+4sin4θ∣∣∣∣∣=0 such that 0≤θ≤π2 then θ is |
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Answer» If ∣∣ |
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