In ΔABC, sin A = 1/4, sin B = 1/8, and b = 20. What is the length of a? Do I apply the law of sines here?
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Try the law of sines. The law of cosines is used when we have angle, side, angle. Like in the diagram:
Last edited by galactus; January 4th 2009 at 02:27 PM. Reason: include diagram
Originally Posted by galactus Try the law of sines. The law of cosines is used when we have angle, side, angle. Like in the diagram: I knew it. Thanks!
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