Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Promoted
verify the identity secx- cosx = sinx tanx?
Please show steps because I don't know how to do this
1 Answer
Relevance
- ?Lv 61 decade agoFavorite Answer
secx- cosx
= (1/cos x) - cosx, multiply by cosx by cosx/cosx
= (1 - cos^2x)/cosx
= (sin^2x)/cosx
= sinx sinx/cosx
= sinx tanx
Still have questions? Get your answers by asking now.