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Let f(x)=2 cosec 2x + sec x+cosec x, the...

Let `f(x)=2 cosec 2x + sec x+cosec x`, then the minimum value of `f(x)` for `x in (0,pi/2)` is

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. Prove that (cosA-cosB)^2+(sin A-sin B)^2=4sin^2((A-B)/2)

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  3. Let f(x)=2 cosec 2x + sec x+cosec x, then the minimum value of f(x) fo...

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  5. Prove that (1+sin2theta)/(1-sin2theta)=((1+tantheta)/(1-tantheta))^2

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