jonaem
jonaem
07-05-2018
Mathematics
contestada
simplify cos x + cos x tan^2 x
Respuesta :
MANNYCARRILLO6
MANNYCARRILLO6
07-05-2018
cosx(1+tan^2(x))
using identity attached
cosx(sec^2(x))
cosx(1/cos^2(x))
=1/cosx
=secx
hope that helps
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