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09-05-2017
Mathematics

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Verify the trigonometric identity: 1+cosx/1-cosx + 1+secx/1-secx = 0

Verify the trigonometric identity 1cosx1cosx 1secx1secx 0 class=

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09-05-2017

sec x = 1/cos x

cos x * sec x = cos x * (1/cos x) = 1

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