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DaniilM [7]
3 years ago
7

PLEASE HELP ME THANK U *0*Find the RATIO and the EXACT VALUE of the given Cos A.​

Mathematics
2 answers:
weqwewe [10]3 years ago
6 0

Answer:

Step-by-step explanation:

take angle A as reference angle

using cos rule

cos A=adjacent/hypotenuse

cos A=12/13

cos A=0.92

A=cos 23

A=23 degree

for ratio,

cos A=12/13

xxTIMURxx [149]3 years ago
5 0

Cos( A ) = AC / AB [ Ratio ]

Cos( A ) = 12 / 13 [ Ratio ]

Cos( A ) = 0. 92307 [ Exact value ]

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