AP and TS EAMCET Engineering Model Paper 1

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Question : 7 of 160

Marks: +1, -0

If m‌tan(θ−30°)=n‌tan(θ+120°), then cos‌2‌θ is

(m+n)
2(m−n)
(m+n)
(m−n)
(m−n)
(m+n)
2(m−n)
(m+n)

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