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Verify the identity ln|secx|=-ln|cosx|
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4 votes
Verify the identity

ln|secx|=-ln|cosx|

User Wdickerson
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1 Answer

6 votes

Explanation:


ln|secx|\\=ln|(1)/(cosx)|\\ =ln|(cosx)^(-1)|\\=-ln|cosx|

User Roma Ruzich
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