Mathematics, 30.01.2020 05:51, nelly1078
The law of cosines is a2+b2 - 2abcosc = c^2 find the value of 2abcosc a. 40 b. -40 c. 37 d. 20
(the sides are 2,4, and 5; a to b is 2, b to c is 4, and a to c is 5.)
Answers: 3
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The law of cosines is a2+b2 - 2abcosc = c^2 find the value of 2abcosc a. 40 b. -40 c. 37 d. 20
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