20-04-2017
Mathematics

contestada

(tanx+sinx)(1-cosx)=sin^2xtanx

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cantelope10 cantelope10

20-04-2017

[(sinx/cosx)+sinx](1-cosx)
[(sinx+sinx.cosx/cosx)](1-cosx)
[ sinx(1-cosx)+sinxcosx(1-cosx)]/cosx
sinx-sinxcosx+sinxcosx-sinx cos^2 x/cosx

sinx-sinx cos^2 x/cosx
sinx(1-cos^2 x)/cosx
(1-cos^2x)sinx/cosx
sin(squared)x.tanx.......R.H.S

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