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     EduGorilla 
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    यदि x1, x2, x3, x4 दी गई समीकरण के मूल है

    x4 – x3sin2β + x2cos2β – xcosβ – sinβ = 0

    तब tan – 1x1 + tan – 1x2 + tan – 1x3 + tan – 1x4 =

    Options :-

    1. β

    2. π/2 - β

    3. π - β

    4. - β

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Reply To: यदि x1, x2, x3, x4 दी गई समीकरण के मूल हैx4 – x3sin2β + x2c….
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