Question

Find the following :-
$a) \: \: {cosec}^{ - 1} (2)$
$b) \: \: {cosec}^{ - 1} ( - 2)$


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Answer 1

Answer:

$Y = cosec {}^{ - 1} (2)$

Cosec Y = 2

$cosec \: Y = cosec( \frac{\pi}{6} )$

$Y = \frac{\pi}{6}$

_________________

$Y = cosec {}^{ - 1} ( - 2)$

$cosec {}^{ - 1} ( - X) = - cosec {}^{ - 1} X$

So,

$Y = - \: cosec {}^{ - 1} ( \frac{\pi}{6})$

$Y = - \frac{\pi}{6}$

Be Brainly!

Answer 2

Refer The Attachment ⬆️

• ${cosec}^{ - 1} (2) = \Large\red{\bold{\frac{\pi}{6}}}$
• ${cosec}^{ - 1} ( - 2) = \Large\green{\bold{-(\frac{\pi}{6})}}$

$\Large{✓}$

Hope It Helps You ✌️