If 0- x-2- then sin x-cosec x-

The correct option is D 2 we know that, AM≥ GM⇒sin x+cosecx2≥√(sin xcosecx)⇒sin x+cosecx2≥ 1 ⇒sin x+cosecx≥ 2 Therefore, Answer is 2 ...

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If 0< x≤π2,...

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If $0 < x \leq \frac{π}{2}$ , then $sin x + cosec x \geq$

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