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19-09-2016
Mathematics

contestada

Choose the correct right-hand side to make the equation an identity.

cotx/secx=?

Respuesta :

19-09-2016

cot(x)sec(x) =
(cos(x)/sin(x))(1/cos(x))=
cos(x)/(sin(x)cos(x)) =
1/sin(x) =
csc(x)

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