Question

Find the cosine ratio of angle θ. clue: use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces. triangle abc is shown. ab measures 12. bc measures 13. ca measures 5. the angle formed at point c is marked theta, and angle a is the right angle. answer for blank 1:

Answer 1

The cosine ratio for angle θ in the given triangle is calculated by dividing the length of the side adjacent to θ by the length of the hypotenuse. The side adjacent to θ is BC and the hypotenuse is AC.

Hence, the cosine ratio of θ is 13/5.

Step-by-step explanation:

In a right triangle, the cosine of an angle is defined as the ratio of the length of the adjacent side to the length of the hypotenuse. In this case, for angle θ which is formed at point C, the adjacent side is BC and the hypotenuse is AC. According to the information given in the problem, BC is 13 units and AC is 5 units.

Therefore, the cosine ratio for the angle θ can be calculated as follows:

Cos(θ) = Adjacent Side / Hypotenuse

Cos(θ) = BC / AC

Cos(θ) = 13 / 5

So, the cosine ratio of angle θ is 13/5.

Learn more about Cosine Ratio