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PLEASE HELP! URGENT. the law of cosines is a2+b2-2abcosC=c2. Find the value of 2abccosC.
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4 votes
PLEASE HELP! URGENT. the law of cosines is a2+b2-2abcosC=c2. Find the value of 2abccosC.

PLEASE HELP! URGENT. the law of cosines is a2+b2-2abcosC=c2. Find the value of 2abccosC-example-1
User Gruszczy
by
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2 Answers

4 votes

Answer:

The answer is 37

Explanation:

User Anil Nivargi
by
8.7k points
6 votes

Answer:

D

Explanation:

2ab*cos(C)=a^2+b^2-c^2

2ab*cos(C)=5^2+4^2-2^2=25+12=37

User Tuned
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