Basic Trig Ratios

Front

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

Back

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

Front

What is the sine ratio in a right triangle?

Back

Front

What is the cosine ratio in a right triangle?

Back

Front

What is the tangent ratio in a right triangle?

Back

Front

What mnemonic can help remember the definitions of the trig ratios?

Back

SOH CAH TOA, where SOH stands for Sine = Opposite/Hypotenuse, CAH stands for Cosine = Adjacent/Hypotenuse, and TOA stands for Tangent = Opposite/Adjacent.

Front

If the opposite side is 12 and the hypotenuse is 13, what is the sine ratio?

Back

Front

If the adjacent side is 9 and the hypotenuse is 15, what is the cosine ratio?

Back

Front

If the opposite side is 5 and the adjacent side is 12, what is the tangent ratio?

Back

Front

What is the relationship between the sides of a right triangle according to the Pythagorean theorem?

Back

Front

What is the value of the hypotenuse if one side is 6 and the other side is 8?

Back