Amaths simplify question D:!
Favorites|Homepage
Subscriptions | sitemap
HOME > > Amaths simplify question D:!

Amaths simplify question D:!

[From: ] [author: ] [Date: 12-03-16] [Hit: ]
......
Simplify (tanx-cotx)sinxcosx+2cos^2x

Need help!

-
(tanx-cotx)sinxcosx+2cos^2x
[(sinx/cosx)-cosx/sinx)]sinxcosx+2cos^…

taking LCM,we have;
[(sin^2x - cos^2x)/sinxcosx]sinxcosx + 2cos^2x
sinxcosx cancels sinxcosx and we have,
sin^2x - cos^2x + 2cos^2x
= sin^2x + cos^2x = 1.
1
keywords: simplify,Amaths,question,Amaths simplify question D:!
New
Hot
© 2008-2010 http://www.science-mathematics.com . Program by zplan cms. Theme by wukong .