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Maximum value of y=sec x "in" (pi//2,3pi...

Maximum value of `y=sec x "in" (pi//2,3pi//2)` is

A

`-sqrt(2)`

B

`sqrt2`

C

1

D

`-1`

Text Solution

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1E (MAXIMA AND MINIMA)
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