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18-03-2021
Mathematics

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Find all angles, 0≤θ<360, that satisfy the equation below, to the nearest 10th of a degree.

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18-03-2021

Answer:θ=41.3∘,138.7∘,221.3∘,318.7∘. Explanation: 3sin2θ−10(1−2sin2θ)=0. 23sin2θ−10=0. sin2θ=1023. sinθ=±√1023.

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