Trig Ratios

Front

What are the three primary trigonometric ratios?

Back

Sine (sin), Cosine (cos), Tangent (tan)

Tags

CCSS.HSG.SRT.C.6

Front

Define Sine (sin) in a right triangle.

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

Define Cosine (cos) in a right triangle.

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

Define Tangent (tan) in a right triangle.

Back

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

Tags

CCSS.HSG.SRT.C.6

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

How do you find the sine of an angle?

Back

sin(θ) = opposite/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the cosine of an angle?

Back

cos(θ) = adjacent/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the tangent of an angle?

Back

tan(θ) = opposite/adjacent.

Tags

CCSS.HSG.SRT.C.6

Front

What is the value of sin(90°)?

Back

1

Tags

CCSS.HSF.TF.A.2

Front

What is the value of cos(0°)?

Back

1

Tags

CCSS.HSF.TF.A.2