Trig Practice #1

Front

What is the sine of an angle in a right triangle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine of an angle in a right triangle?

Back

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 tangent of an angle in a right triangle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What does SOH-CAH-TOA stand for?

Back

SOH: Sine = Opposite/Hypotenuse, CAH: Cosine = Adjacent/Hypotenuse, TOA: Tangent = Opposite/Adjacent.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the length of a missing side in a right triangle?

Back

Use the Pythagorean theorem or trigonometric ratios (sine, cosine, tangent) depending on the known values.

Tags

CCSS.8.G.B.8

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

Front

What is the measure of a right angle?

Back

90 degrees.

Tags

CCSS.4.G.A.1

Front

If one angle in a right triangle is 30 degrees, what is the measure of the other non-right angle?

Back

60 degrees.

Tags

CCSS.8.G.A.5

Front

What is the relationship between the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Tags

CCSS.8.G.A.5

Front

How do you convert degrees to radians?

Back

Multiply the degree measure by π/180.

Tags

CCSS.HSF.TF.A.1