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Prove the identity (1 - sin x)/(cos x) = (cos x)/(1 + sin x).  Are there any x for which the equation does not hold?

 May 19, 2020
 #1
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Prove the identity (1 - sin x)/(cos x) = (cos x)/(1 + sin x).  Are there any x for which the equation does not hold?

laugh

 May 19, 2020
 #2
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Lol this moderation(not an answer)

 May 19, 2020
edited by NightShade  May 19, 2020

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