Kameronm7
Kameronm7
28-02-2017
Mathematics
contestada
How do you solve
1-cos2x/cosx •cscx=tanx
Respuesta :
ChandrikaP
ChandrikaP
28-02-2017
(1-cos^2x/cosx)*cosecx
(sin^2x/cosx)*sinx (where 1-cos^2x=sin^2x) and 1/cscx=sinx
sinx/cosx=tanx(divide by sinx)
hence proved
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