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13-12-2017
Mathematics

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Find cos B.

A. 41/40
B. 9/41
C. 40/41
D. 9/40

Find cos B A 4140 B 941 C 4041 D 940 class=

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Аноним Аноним

13-12-2017

CosB = side adjacent to B/hypotenuse = BC/AB = 9/41

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13-12-2017

B it connect to the angles

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