Question

Find the value of the trigonometric ratio. Round to the nearest degree.

cos X
Y
5
X
m< x =
6
Z

Answer 1

`\huge\boxed{\sf X \approx 57\°}`

Explanation:

For angle X:

Adjacent = 5

Hypotenuse = 9

Using cos θ as the trigonometric ratio.

Solution:

cos θ = adjacent / hypotenuse

cos X = 5 / 9

cos Χ = 0.55

X = cos⁻¹ 0.55

X ≈ 57°

`\rule[225]{225}{2}`