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Maths

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Please help me.Iam stuck. Find all the possible values of theta between 0 degree and 360 degree for the following quadratic equation. State the quadrants in which each angle lie. 8 tan^2 theta + 2 tan theta=15

  • Maths - ,

    8tan^2 + 2tan - 15 = 0
    (4tan-5)(2tan+3) = 0
    so tanθ = 5/4 or -3/2
    in QI,QIII and QII,QIV respectively

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