Cosine of an Angle in a Right Triangle

Easy Additional Topics In Math Trigonometry

In a right triangle, the length of the side adjacent to an angle $ heta$ is 6 units, and the length of the hypotenuse is 10 units. What is the cosine of angle $ heta$?

$$\frac{3}{5}$$

$$\frac{6}{10}$$

$$\frac{5}{10}$$

$$\frac{8}{10}$$

Hint

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