bpnapkhrl bpnapkhrl
  • 30-09-2019
  • Mathematics
contestada

Cotx + tanx=2cosecx​

Respuesta :

prajwolbohara12
prajwolbohara12 prajwolbohara12
  • 30-09-2019

Answer:

sinx/cosx+cosx/sinx

sin^2+cos^2/cosx.sinx

1/(2sinx.cosx/2)

2/sin2x

2cosecx

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