Question:

Find all Θ in the interval [0,2pi) that satisfy the equation: 2cosΘtanΘ+tanΘ=0?

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show work because i dont understand, thanks.

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  1. Factor.

    2*cos(t)*tan(t) + tan(t) = 0

    [tan(t)]*[2cos(t)+1]=0

    Now set each part = 0 and solve.

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