Question

the ____ of an angle is the ratio of the opposite leg length to the hypotenuse length.

a. tangent
b. cosine
c. sine

Explanation:

In a right - triangle, the sine of an angle is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse. The tangent is the ratio of the opposite side to the adjacent side, and the cosine is the ratio of the adjacent side to the hypotenuse.

Answer:

C. sine