Which expression can be used to find AC
1 answer:
Answer:
7.8cos23 feet
Step-by-step explanation:
Which expression can be used to find AC
From the given diagram;
Hypotenuse = AB = 7.8ft
Adjacent to <A = AC
Using the SOH CAH TOA identity;
cos theta = adjacent/hypotenuse
cos 23 = AC/AB
cos 23 = AC/7.8
AC = 7.8cos23
AC = 7.8(0.9205)
Hence the measure of AC is 7.8cos23 feet
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