Simplify and select the equivalent expressions — task. Mathematics CBSE, Class 10.

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1.

$\frac{\sec α}{\sin α} - \frac{\sin α}{\cos α}$

$=$

$\text{cosec}\: α$
$\cos α$
$\cot α$

2.

$(\sec α + \tan α)( 1 - \sin α)$

$=$

$\tan α$
$\cos α$
$\sin α$

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