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What Is the Law of Cosines?
A) a2=b2+c2−2bccos⁡A a^{2}=b^{2}+c^{2}-2 b c \cos A

Question 13

Multiple Choice

What is the Law of Cosines?


A) a2=b2+c2−2bccos⁡A a^{2}=b^{2}+c^{2}-2 b c \cos A
B) a2=b2+c2+2bccos⁡A a^{2}=b^{2}+c^{2}+2 b c \cos A
C) a2=(b2+c2) ×2bccos⁡A a^{2}=\left(b^{2}+c^{2}\right) \times 2 b c \cos A
D) a2=(b2+c2) ÷2bccos⁡A a^{2}=\left(b^{2}+c^{2}\right) \div 2 b c \cos A

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