MCQ
Identify the correct order
  • A
    $sec^{-1}(-2) < sec^{-1}(-1) < sec^{-1}(1) < sec^{-1}(2)$
  • B
    $sec^{-1}(2) < sec^{-1}(1) < sec^{-1}(-1) < sec^{-1}(-2)$
  • C
    $sec^{-1}(1) < sec^{-1}(-1) < sec^{-1}(2) < sec^{-1}(-2)$
  • $sec^{-1}(1) < sec^{-1}(2) < sec^{-1}(-2) < sec^{-1}(-1)$

Answer

Correct option: D.
$sec^{-1}(1) < sec^{-1}(2) < sec^{-1}(-2) < sec^{-1}(-1)$
d
abvious from figure

$\sec ^{-1}(1)<\sec ^{-1}(2)<\sec ^{-1}(-2)<\sec ^{-1}(-1)$

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