Flashcard 8.1 Trigonometry and Pythagorean Theorem

Front

What is the Pythagorean Theorem?

Back

Front

What does SOH CAH TOA stand for?

Back

SOH CAH TOA is a mnemonic to remember the definitions of the sine, cosine, and tangent functions in a right triangle: SOH = Sine = Opposite/Hypotenuse, CAH = Cosine = Adjacent/Hypotenuse, TOA = Tangent = Opposite/Adjacent.

Front

What is the length of the hypotenuse in a 45-45-90 triangle if each leg is 4?

Back

Front

Which set of sides forms a right triangle? 4,5,6 or 5,12,13?

Back

Front

What is the value of the short leg in a 30-60-90 triangle if the long leg is 8?

Back

Front

What is the sine of a 30-degree angle?

Back

Front

What is the cosine of a 60-degree angle?

Back

Front

What is the tangent of a 45-degree angle?

Back

The tangent of a 45-degree angle is 1, since the opposite and adjacent sides are equal.

Front

If the hypotenuse of a right triangle is 10 and one leg is 6, what is the length of the other leg?

Back

Front

What is the area of a right triangle with legs of length 3 and 4?

Back