Verify the identity secx-secx sin^2x= cosx

Dolly Robinson 2021-02-11 Answered
Verify the identity secxsecxsin2x=cosx
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Expert Answer

Alix Ortiz
Answered 2021-02-12 Author has 109 answers
secxsecxsin2x=cosx
secx(1sin2x)=cosx
because sinx+cosx=1,1sin2x=cos2x
secxcos2x=cosx
(Icosx)cos2x=cosx
cosx=cosx
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