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Ukraine500
Nov 8, 2012, 02:07 PM
I need someone to show me step-by-step instructions on how to verify these two identities.

1. (1+sinx)/(1-sinx)=(secx+tanx)^2

2.(1-2cos^2x)/(sinxcosx)=tanx-cotx

Thanks.

tickle
Nov 8, 2012, 03:04 PM
You just don't get it, do you? We don't help with homeworth unless you can prove you are trying.