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Find A and C,Laws of sines and cosines

Find A and C,Laws of sines and cosines-example-1
User Shew
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1 Answer

4 votes

Answer:


AC=15.9976

Explanation:

Law of Sines:
(sin(A))/(a) =(sin(B))/(b) =(sin(C))/(c)

Step 1: Define

a = 8 ft

A = 30°

b = ?

B = 89°

Step 2: Substitute and Evaluate


(sin(30))/(8) =(sin(89))/(b)


bsin(30)=8sin(89)


b=(8sin(89))/(sin(30))


b=16cos(1)


b=15.9976


AC=15.9976

User Parth Doshi
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