Question

find local minimum of tan theta + cot theta?
Explain with detailed explanation and what is mean by local minimum ​

Answer 1

Answer 1

A.M.≥G.M.

⇒ 2 tanx+ccot ≥ tanx×cotx

⇒tanx+cotx≥2

So the minimum value will be 2

and the maximum value will be infinite

Answer2

A local minimum, also called a relative minimum, is a minimum within some neighborhood that need not be (but may be) a global minimum

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