Trig Ratios

Front

What is the definition of the opposite side in a right triangle?

Back

The side opposite the angle of interest.

Front

What is the definition of the adjacent side in a right triangle?

Back

The side next to the angle of interest, excluding the hypotenuse.

Front

What is the definition of the hypotenuse in a right triangle?

Back

The longest side of a right triangle, opposite the right angle.

Front

What does 'Soh Cah Toa' stand for?

Back

Sine = Opposite/Hypotenuse, Cosine = Adjacent/Hypotenuse, Tangent = Opposite/Adjacent.

Front

What is the sine function?

Back

The ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the cosine function?

Back

The ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the tangent function?

Back

The ratio of the length of the opposite side to the length of the adjacent side.

Front

If the opposite side is 9 and the hypotenuse is 41, what is the sine ratio?

Back

9/41.

Front

If the adjacent side is 40 and the hypotenuse is 41, what is the cosine ratio?

Back

40/41.

Front

If the opposite side is 9 and the adjacent side is 40, what is the tangent ratio?

Back

9/40.