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11. The trigonometric ratio of cos B isPYTHAGOREAN TRIPLE PROBLEMB13590°A125/1212/135/1313/5

11 The Trigonometric Ratio Of Cos B IsPYTHAGOREAN TRIPLE PROBLEMB13590A125121213513135 class=

Answer :

From the given right-angled triangle, we have the following:

Hypothenuse side = 13

Opposite side = 12

Adjacent side = 5

Solution

The trigonometric ratio of cos B can be found using the relationship:

[tex]\cos \text{ B = }\frac{Adjacent}{Hypothenus}[/tex]

By substituting, we have:

[tex]cos\text{ B = }\frac{5}{13}[/tex]

Hence, the answer is 5/13 (option C)

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