root3.tan2theta-3=0
please explain what you do after 3/root3 and how you get root 3
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Correct option is D)
tanθ+tan2θ+3tanθtan2θ=3
tanθ+tan2θ=3(1−tanθtan2θ)
1−tanθtan2θtanθ+tan2θ=3
tan3θ=3=tan3π
⇒ 3θ=nπ+3π, nϵZ
θ=3nπ+9π, nϵZ
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