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19-04-2021
Mathematics

contestada

sin/1-cos=1+cos/sin
Can someone solve this?

Respuesta :

ghanami ghanami

19-04-2021

Answer:

Step-by-step explanation:

hello :

Sinx/1-cosx=1+cosx/sinx means : sin²x= (1-cosx)(1+cosx)

sin²x= 1-cos²x

sin²x+cos²x =1

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