Simplify and choose the equivalent expressions — task. Maths CBSE Homework Assignments, Class 10.

1. \(\sqrt{\sec^2 A + \text{cosec}^2\: A}\) \(=\)

\(\sec A \cos A\)
\(\sec A\: \text{cosec}\: A\)
\(\sin A \cos A\)

2. \(\sec^4 A - \sec^2 A\) \(=\)

\(\tan^2 A - \tan^4 A\)
\(\tan^2 A \tan^4 A\)
\(\tan^2 A + \tan^4 A\)

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