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Law of Cosines - Continued - od164070095
Law of Cosines - Continued - od164070097
Machine Shop Calculation
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MACHINE
SHOP
CALCULATION
-
OD1640
-
LESSON
2/TASK
3
(3)
-2cDB
= -2ac cos B
(4) Dividing by -2ac:
(5)
(6) Multiplying both sides by a:
The
law of cosines
is interpreted as:
"The square