Sine, cosine, tangent

Front

What is the definition of sine in a right triangle?

Back

Sine (sin) 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 in a right triangle?

Back

Cosine (cos) 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 in a right triangle?

Back

Tangent (tan) 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 formula for finding sine?

Back

sin(θ) = opposite/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for finding cosine?

Back

cos(θ) = adjacent/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for finding tangent?

Back

tan(θ) = opposite/adjacent.

Tags

CCSS.HSG.SRT.C.8

Front

If the opposite side is 3 and the hypotenuse is 5, what is sin(θ)?

Back

sin(θ) = 3/5.

Tags

CCSS.HSG.SRT.C.6

Front

If the adjacent side is 4 and the hypotenuse is 5, what is cos(θ)?

Back

cos(θ) = 4/5.

Tags

CCSS.HSG.SRT.C.6

Front

If the opposite side is 3 and the adjacent side is 4, what is tan(θ)?

Back

tan(θ) = 3/4.

Tags

CCSS.HSG.SRT.C.6

Front

What is the relationship between sine, cosine, and tangent?

Back

tan(θ) = sin(θ)/cos(θ).

Tags

CCSS.HSG.SRT.C.7