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Prove the following identity, where the...

Prove the following identity, where the angles involved are acute angles for which the expressions are defined.
`(cosA)/(1+sinA)+(1+sinA)/(cosA)=2secA`

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To prove the identity \[ \frac{\cos A}{1 + \sin A} + \frac{1 + \sin A}{\cos A} = 2 \sec A, \] we will start with the left-hand side (LHS) and simplify it step by step. ...
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