mbenoy
mbenoy
18-06-2016
Mathematics
contestada
how do you solve
sin9x/1-cos^2(9x)
Respuesta :
jhonyy9
jhonyy9
18-06-2016
using formula sin^2 x +cos^2 x = 1 you get 1 - cos^2(9x) = sin^2(9x)
so in this way this fraction will be rewrited
sin9x/(1-cos^2(9x) = sin9x / sin^2(9x) = 1/sin9x
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