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Asked by dee

solving using the law of sines or cosines. a=75°,B=?,C=?,a=18cm,b=9cm,c=?
8 years ago

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Answered by Steve
You have a and A, so use sines:

a/sinA = b/sinB
That gives you B. Now A+B+C=180
Having C, use sines to get c.
8 years ago
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solving using the law of sines or cosines. a=75°,B=?,C=?,a=18cm,b=9cm,c=?

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