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Prove that : (secA+tanA)(1-sinA)=cosA...

Prove that : `(secA+tanA)(1-sinA)=cosA`

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To prove that \((\sec A + \tan A)(1 - \sin A) = \cos A\), we will start with the left-hand side and simplify it step by step. ### Step 1: Write down the left-hand side We start with the expression: \[ (\sec A + \tan A)(1 - \sin A) \] ...
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