jonny052002
jonny052002 jonny052002
  • 09-05-2018
  • Mathematics
contestada

Can someone help me please!!!!

Can someone help me please class=

Respuesta :

mathmate
mathmate mathmate
  • 10-05-2018
Given:
Right triangle DEF right-angled at F.
ED=97 (hypotenuse)
DF=72 (opposite side of angle E)
FE=65 (adjacent side of angle E)

Cosine of angle E
=(adjacent side)/(hypotenuse)
=FE/ED
=65/97
=0.6701   (to four decimal places)

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