Simplify and select the equivalent expressions — task. Mathematics State Board, 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. \(\frac{\cot α - \cos α}{\cot α + \cos α}\) \(=\)

\(\frac{\cos α - 1}{\cos α + 1}\)
\(\frac{\text{cosec}\: α - 1}{\text{cosec}\: α + 1}\)
\(\frac{\sec α - 1}{\sec α + 1}\)

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