jonny052002
jonny052002
09-05-2018
Mathematics
contestada
Can someone help me please!!!!
Respuesta :
mathmate
mathmate
10-05-2018
Given:
Right triangle DEF right-angled at
F
.
ED=97 (hypotenuse)
D
F
=72 (opposite side of angle E)
F
E=65 (adjacent side of angle E)
Cosine of angle E
=(adjacent side)/(hypotenuse)
=
F
E/ED
=65/97
=0.6701 (to four decimal places)
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