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OpenStudy (anonymous):
Which one is not the Law of Cosines? A. a2 = b2 + c2 - 2bc cos A B. b2 = a2 + c2 - 2ac cos B C. a2 = b2 - c2 - 2bc cos A D. c2 = b2 + a2 - 2ab cos C
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OpenStudy (akshay_budhkar):
C. a2 = b2 - c2 - 2bc cos A
OpenStudy (anonymous):
thanks
OpenStudy (akshay_budhkar):
logically you can see that other 3 are similar as well :D
OpenStudy (akshay_budhkar):
yw :D
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