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