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Question

If 3cosθsinθ is positive,then θ lies between...

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Solution

Consider the given expression.

3cosθsinθ


Since, 3cosθsinθ>0

3cosθ>sinθ

3>tanθ

tanθ<3

tanθ<tanπ3

θ<π3


Hence, <θ<π3 is required answer.


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