MCQ
The function which is neither decreasing nor increasing in $\left( {{\pi \over 2},{{3\pi } \over 2}} \right)$ is
  • $cosec\, x$
  • B
    $\tan x$
  • C
    ${x^2}$
  • D
    $|x - 1|$

Answer

Correct option: A.
$cosec\, x$
a
(a) The graph of cosec $ x$  is opposite in $\left( {\frac{\pi }{2},\,\,\frac{{3\pi }}{2}} \right)$.

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$0-10$

$2$

$10-20$

$18$

$20-30$

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$30-40$

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$40-50$

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