The law of cosines is a^2+b^2-2abcos(c). find the value of 2abcos(c).
a. 37
b. -40
...
Mathematics, 29.08.2019 19:30 nocomprendoplshelp
The law of cosines is a^2+b^2-2abcos(c). find the value of 2abcos(c).
a. 37
b. -40
c. 40
d. 20
Answers: 1
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