I can get this to be 2 cos x = sec x

I cannot see how to get those equal

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- Jan 17th 2011, 06:43 PMIDontunderstandEstablish the following Identities

I can get this to be 2 cos x = sec x

I cannot see how to get those equal - Jan 17th 2011, 06:49 PMdwsmith
- Jan 17th 2011, 07:29 PMIDontunderstand
- Jan 18th 2011, 02:45 AMAckbeet
I agree with dwsmith. If you plug in you get an inequality.