4 years ago

What is the ratio cos C?

Mathematics

2 answers:

OLga [1]4 years ago

7 0

Answer:

Roughly, sinC = 15/17

=> AB = 15, BC = 17 => AC = sqrt(17^2-15^2) = 8

=> cos C = AC/BC = 8/17

adelina 88 [10]4 years ago

3 0

Answer:

8/17

Step-by-step explanation:

17² = 15² + adjacent²

adjacent² = 64

adjacent = 8

Cos C = adjacent/hypotenuse

= 8/17

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