Question

prove that sec A ( 1 - sin A) ( secA + tan A) = 1​

Answer 1

$<b>Seca(1-sina)(1/cosa+Sina/cosa)</p><p></p><p> => seca(1-sina)(1-sina)/cosa</p><p></p><p> => seca(1-sin²a)/cosa</p><p></p><p> => seca cos ²a/cosa</p><p></p><p> => 1/cos a×cosa</p><p></p><p> =1$

Answer 2

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