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23-05-2018
Mathematics

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Prove the identity. Secx+1/tanx = sinx/1-cosx

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Аноним Аноним

23-05-2018

Ill assume that's the case:-

sec x + 1
-------------
tan x

= 1 + cos x cos x
------------ * -------
cos x sin x

= ( 1 + cos x) / sin x

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