Pythagorean Thm., Special Right Triangles, and Trig Ratios

Front

What is the Pythagorean Theorem?

Back

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

In a 30-60-90 triangle, what are the ratios of the lengths of the sides?

Back

Front

If one leg of a right triangle is 3 and the hypotenuse is 5, what is the length of the other leg?

Back

Front

What is the relationship between the angles and sides in a right triangle?

Back

In a right triangle, the side opposite the largest angle is the longest side (hypotenuse), and the side opposite the smallest angle is the shortest side.

Front

How do you find the sine of an angle in a right triangle?

Back

To find the sine of an angle, divide the length of the side opposite the angle by the length of the hypotenuse.

Front

How do you find the cosine of an angle in a right triangle?

Back

To find the cosine of an angle, divide the length of the adjacent side by the length of the hypotenuse.

Front

How do you find the tangent of an angle in a right triangle?

Back

To find the tangent of an angle, divide the length of the side opposite the angle by the length of the adjacent side.