231k views
0 votes
Find the value of the trigonometric ratio. And the degree of the angle. Show work!

Find the value of the trigonometric ratio. And the degree of the angle. Show work-example-1

1 Answer

1 vote

Answer:

40/41

Explanation:

Using cosine rule,

Cos C = 40/41


\frac{40 {}^(2) + 41 {}^(2) - 9 {}^(2) }{2 * 40 * 41} = (3200)/(3280) = (40)/(41)

And if you need the angle too,

Just do,

C = cos¯¹ 40/41 = 12.68038 = 12.7

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories