joekrause2004 joekrause2004
  • 18-12-2020
  • Mathematics
contestada

if sin=4/5 and cosy=12/13 and x and y are positive acute angles, find cos(x+y)

Respuesta :

quaevonr
quaevonr quaevonr
  • 18-12-2020

Answer:

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Step-by-step explanation:

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