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30-09-2019
Mathematics

contestada

Cotx + tanx=2cosecx

Respuesta :

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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