The Value Of Tan 3α Cot α Cannot Lie In

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Question

The value of tan 3α cot α cannot lie in

easy

Solution

Correct option is

]1/3, 3[

Since tan² α is non – negative, either x < 1/3 or x ≥ 3, so x cannot lie between 1/3 and 3.

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SIMILAR QUESTIONS

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