Right triangle trig

Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the Pythagorean theorem?

Back

Tags

CCSS.8.G.B.8

Front

What is the definition of sine (sin) in a right triangle?

Back

Sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the definition of cosine (cos) in a right triangle?

Back

Cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the definition of tangent (tan) in a right triangle?

Back

Tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the sine of an angle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the cosine of an angle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the tangent of an angle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What is the relationship between sine and cosine?

Back

Tags

CCSS.HSF.TF.C.8

Front

What is the special triangle ratio for a 45-45-90 triangle?

Back

Tags

CCSS.8.G.B.8